cve-2020-1938
Vulnerability from cvelistv5
Published
2020-02-24 21:19
Modified
2024-08-04 06:54
Severity
Summary
When using the Apache JServ Protocol (AJP), care must be taken when trusting incoming connections to Apache Tomcat. Tomcat treats AJP connections as having higher trust than, for example, a similar HTTP connection. If such connections are available to an attacker, they can be exploited in ways that may be surprising. In Apache Tomcat 9.0.0.M1 to 9.0.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99, Tomcat shipped with an AJP Connector enabled by default that listened on all configured IP addresses. It was expected (and recommended in the security guide) that this Connector would be disabled if not required. This vulnerability report identified a mechanism that allowed: - returning arbitrary files from anywhere in the web application - processing any file in the web application as a JSP Further, if the web application allowed file upload and stored those files within the web application (or the attacker was able to control the content of the web application by some other means) then this, along with the ability to process a file as a JSP, made remote code execution possible. It is important to note that mitigation is only required if an AJP port is accessible to untrusted users. Users wishing to take a defence-in-depth approach and block the vector that permits returning arbitrary files and execution as JSP may upgrade to Apache Tomcat 9.0.31, 8.5.51 or 7.0.100 or later. A number of changes were made to the default AJP Connector configuration in 9.0.31 to harden the default configuration. It is likely that users upgrading to 9.0.31, 8.5.51 or 7.0.100 or later will need to make small changes to their configurations.
References
SourceURLTags
security@apache.orghttp://lists.opensuse.org/opensuse-security-announce/2020-03/msg00025.htmlThird Party Advisory
security@apache.orghttp://lists.opensuse.org/opensuse-security-announce/2020-05/msg00002.htmlMailing List, Third Party Advisory
security@apache.orghttp://support.blackberry.com/kb/articleDetail?articleNumber=000062739Third Party Advisory
security@apache.orghttps://lists.apache.org/thread.html/r089dc67c0358a1556dd279c762c74f32d7a254a54836b7ee2d839d8e%40%3Cdev.tomee.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7%40%3Cannounce.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r17aaa3a05b5b7fe9075613dd0c681efa60a4f8c8fbad152c61371b6e%40%3Cusers.tomcat.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r38a5b7943b9a62ecb853acc22ef08ff586a7b3c66e08f949f0396ab1%40%3Cusers.tomcat.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r43faacf64570b1d9a4bada407a5af3b2738b0c007b905f1b6b608c65%40%3Cusers.tomcat.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r47caef01f663106c2bb81d116b8380d62beac9e543dd3f3bc2c2beda%40%3Ccommits.tomee.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r4afa11e0464408e68f0e9560e90b185749363a66398b1491254f7864%40%3Cusers.tomcat.apache.org%3EIssue Tracking, Mailing List
security@apache.orghttps://lists.apache.org/thread.html/r4f86cb260196e5cfcbbe782822c225ddcc70f54560f14a8f11c6926f%40%3Cusers.tomcat.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r549b43509e387a42656f0641fa311bf27c127c244fe02007d5b8d6f6%40%3Cdev.tomcat.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r57f5e4ced436ace518a9e222fabe27fb785f09f5bf974814cc48ca97%40%3Ccommits.tomee.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r5e2f1201b92ee05a0527cfc076a81ea0c270be299b87895c0ddbe02b%40%3Cusers.tomcat.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r61f280a76902b594692f0b24a1dbf647bb5a4c197b9395e9a6796e7c%40%3Cusers.tomcat.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r6a5633cad1b560a1e51f5b425f02918bdf30e090fdf18c5f7c2617eb%40%3Ccommits.tomee.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r74328b178f9f37fe759dffbc9c1f2793e66d79d7a8a20d3836551794%40%3Cnotifications.ofbiz.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r75113652e46c4dee687236510649acfb70d2c63e074152049c3f399d%40%3Cnotifications.ofbiz.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r772335e6851ad33ddb076218fa4ff70de1bf398d5b43e2ddf0130e5d%40%3Cdev.tomcat.apache.org%3EIssue Tracking, Mailing List
security@apache.orghttps://lists.apache.org/thread.html/r7c6f492fbd39af34a68681dbbba0468490ff1a97a1bd79c6a53610ef%40%3Cannounce.tomcat.apache.org%3EMailing List, Vendor Advisory
security@apache.orghttps://lists.apache.org/thread.html/r856cdd87eda7af40b50278d6de80ee4b42d63adeb433a34a7bdaf9db%40%3Cnotifications.ofbiz.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r8f7484589454638af527182ae55ef5b628ba00c05c5b11887c922fb1%40%3Cnotifications.ofbiz.apache.org%3EMailing List, Vendor Advisory
security@apache.orghttps://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922%40%3Cannounce.apache.org%3EMailing List, Vendor Advisory
security@apache.orghttps://lists.apache.org/thread.html/r92d78655c068d0bc991d1edbdfb24f9c5134603e647cade1113d4e0a%40%3Cusers.tomee.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r9f119d9ce9239114022e13dbfe385b3de7c972f24f05d6dbd35c1a2f%40%3Cusers.tomcat.apache.org%3EMailing List, Patch
security@apache.orghttps://lists.apache.org/thread.html/ra7092f7492569b39b04ec0decf52628ba86c51f15efb38f5853e2760%40%3Cnotifications.ofbiz.apache.org%3EMailing List, Vendor Advisory
security@apache.orghttps://lists.apache.org/thread.html/rad36ec6a1ffc9e43266b030c22ceeea569243555d34fb4187ff08522%40%3Cnotifications.ofbiz.apache.org%3EExploit, Mailing List
security@apache.orghttps://lists.apache.org/thread.html/rb1c0fb105ce2b93b7ec6fc1b77dd208022621a91c12d1f580813cfed%40%3Cdev.tomcat.apache.org%3EMailing List, Patch
security@apache.orghttps://lists.apache.org/thread.html/rb2fc890bef23cbc7f343900005fe1edd3b091cf18dada455580258f9%40%3Cusers.tomcat.apache.org%3EIssue Tracking, Mailing List
security@apache.orghttps://lists.apache.org/thread.html/rbdb1d2b651a3728f0ceba9e0853575b6f90296a94a71836a15f7364a%40%3Cdev.tomee.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/rc068e824654c4b8bd4f2490bec869e29edbfcd5dfe02d47cbf7433b2%40%3Cdev.tomee.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/rcd5cd301e9e7e39f939baf2f5d58704750be07a5e2d3393e40ca7194%40%3Ccommits.tomee.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/rce2af55f6e144ffcdc025f997eddceb315dfbc0b230e3d750a7f7425%40%3Cnotifications.ofbiz.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/rd0774c95699d5aeb5e16e9a600fb2ea296e81175e30a62094e27e3e7%40%3Ccommits.ofbiz.apache.org%3EMailing List, Patch
security@apache.orghttps://lists.apache.org/thread.html/rd50baccd1bbb96c2327d5a8caa25a49692b3d68d96915bd1cfbb9f8b%40%3Cusers.tomcat.apache.org%3EIssue Tracking, Mailing List
security@apache.orghttps://lists.apache.org/thread.html/re5eecbe5bf967439bafeeaa85987b3a43f0e6efe06b6976ee768cde2%40%3Cusers.tomcat.apache.org%3EIssue Tracking, Mailing List
security@apache.orghttps://lists.apache.org/thread.html/rf1bbc0ea4a9f014cf94df9a12a6477d24a27f52741dbc87f2fd52ff2%40%3Cissues.geode.apache.org%3EMailing List, Vendor Advisory
security@apache.orghttps://lists.apache.org/thread.html/rf26663f42e7f1a1d1cac732469fb5e92c89908a48b61ec546dbb79ca%40%3Cbugs.httpd.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/rf992c5adf376294af31378a70aa8a158388a41d7039668821be28df3%40%3Ccommits.tomee.apache.org%3EMailing List, Vendor Advisory
security@apache.orghttps://lists.debian.org/debian-lts-announce/2020/03/msg00006.htmlThird Party Advisory
security@apache.orghttps://lists.debian.org/debian-lts-announce/2020/05/msg00026.htmlThird Party Advisory
security@apache.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2XFLQB3O5QVP4ZBIPVIXBEZV7F2R7ZMS/Release Notes
security@apache.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3IPNHCKFVUKSHDTM45UL4Q765EHHTFG/Release Notes
security@apache.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L46WJIV6UV3FWA5O5YEY6XLA73RYD53B/Release Notes
security@apache.orghttps://security.gentoo.org/glsa/202003-43Third Party Advisory
security@apache.orghttps://security.netapp.com/advisory/ntap-20200226-0002/Third Party Advisory
security@apache.orghttps://www.debian.org/security/2020/dsa-4673Third Party Advisory
security@apache.orghttps://www.debian.org/security/2020/dsa-4680Third Party Advisory
security@apache.orghttps://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
security@apache.orghttps://www.oracle.com/security-alerts/cpujul2020.htmlPatch, Third Party Advisory
security@apache.orghttps://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Third Party Advisory
Impacted products
VendorProduct
ApacheApache Tomcat
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 2022-03-03

Due date: 2022-03-17

Required action: Apply updates per vendor instructions.

Used in ransomware: Unknown

Show details on NVD website

To clipboard 

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            "url": "https://lists.apache.org/thread.html/r4afa11e0464408e68f0e9560e90b185749363a66398b1491254f7864%40%3Cusers.tomcat.apache.org%3E"
          },
          {
            "name": "[tomcat-dev] 20200304 Re: Tagging 10.0.x, 9.0.x, 8.5.x",
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              "x_refsource_MLIST",
              "x_transferred"
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            "url": "https://lists.apache.org/thread.html/r772335e6851ad33ddb076218fa4ff70de1bf398d5b43e2ddf0130e5d%40%3Cdev.tomcat.apache.org%3E"
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            "tags": [
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            "url": "https://lists.apache.org/thread.html/r549b43509e387a42656f0641fa311bf27c127c244fe02007d5b8d6f6%40%3Cdev.tomcat.apache.org%3E"
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          },
          {
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          },
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            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00025.html"
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          {
            "name": "[tomee-dev] 20200316 RE: CVE-2020-8840 on TomEE 8.0.1",
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            "url": "https://lists.apache.org/thread.html/rc068e824654c4b8bd4f2490bec869e29edbfcd5dfe02d47cbf7433b2%40%3Cdev.tomee.apache.org%3E"
          },
          {
            "name": "[httpd-bugs] 20200319 [Bug 53098] mod_proxy_ajp: patch to set worker secret passed to tomcat",
            "tags": [
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            ],
            "url": "https://lists.apache.org/thread.html/rf26663f42e7f1a1d1cac732469fb5e92c89908a48b61ec546dbb79ca%40%3Cbugs.httpd.apache.org%3E"
          },
          {
            "name": "GLSA-202003-43",
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            ],
            "url": "https://security.gentoo.org/glsa/202003-43"
          },
          {
            "name": "[tomee-commits] 20200320 [jira] [Updated] (TOMEE-2789) TomEE plus(7.0.7) is affected by CVE-2020-1938(BDSA-2020-0339) vulnerability.",
            "tags": [
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              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.apache.org/thread.html/rcd5cd301e9e7e39f939baf2f5d58704750be07a5e2d3393e40ca7194%40%3Ccommits.tomee.apache.org%3E"
          },
          {
            "name": "[tomee-commits] 20200320 [jira] [Created] (TOMEE-2789) TomEE plus is affected by CVE-2020-1938(BDSA-2020-0339) vulnerability.",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
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          },
          {
            "name": "[tomee-commits] 20200323 [jira] [Commented] (TOMEE-2789) TomEE plus(7.0.7) is affected by CVE-2020-1938(BDSA-2020-0339) vulnerability.",
            "tags": [
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            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2XFLQB3O5QVP4ZBIPVIXBEZV7F2R7ZMS/"
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          {
            "name": "[tomcat-users] 20200413 RE: Alternatives for AJP",
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            "name": "[debian-lts-announce] 20200528 [SECURITY] [DLA 2209-1] tomcat8 security update",
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            "url": "https://lists.debian.org/debian-lts-announce/2020/05/msg00026.html"
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          {
            "name": "[tomcat-dev] 20200625 svn commit: r1879208 - in /tomcat/site/trunk: docs/security-10.html docs/security-8.html docs/security-9.html xdocs/security-10.xml xdocs/security-8.xml xdocs/security-9.xml",
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            "name": "[ofbiz-notifications] 20200628 [jira] [Updated] (OFBIZ-11847) CLONE - Upgrade Tomcat from 9.0.34 to 9.0.36 (CVE-2020-11996)",
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            "name": "[ofbiz-notifications] 20200628 [jira] [Created] (OFBIZ-11847) CLONE - Upgrade Tomcat from 9.0.34 to 9.0.36 (CVE-2020-11996)",
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            "name": "[tomee-users] 20200723 Re: TomEE on Docker",
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            "name": "[geode-issues] 20200831 [jira] [Created] (GEODE-8471) Dependency security issues in geode-core-1.12",
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          {
            "name": "[tomee-commits] 20201127 [jira] [Resolved] (TOMEE-2789) TomEE plus(7.0.7) is affected by CVE-2020-1938(BDSA-2020-0339) vulnerability.",
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            "url": "https://lists.apache.org/thread.html/r57f5e4ced436ace518a9e222fabe27fb785f09f5bf974814cc48ca97%40%3Ccommits.tomee.apache.org%3E"
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            "url": "https://lists.apache.org/thread.html/r47caef01f663106c2bb81d116b8380d62beac9e543dd3f3bc2c2beda%40%3Ccommits.tomee.apache.org%3E"
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          {
            "name": "[announce] 20210125 Apache Software Foundation Security Report: 2020",
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            "url": "https://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922%40%3Cannounce.apache.org%3E"
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          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Apache Tomcat",
          "vendor": "Apache",
          "versions": [
            {
              "status": "affected",
              "version": "Apache Tomcat 9.0.0.M1 to 9.0.0.30"
            },
            {
              "status": "affected",
              "version": "8.5.0 to 8.5.50"
            },
            {
              "status": "affected",
              "version": "7.0.0 to 7.0.99"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "When using the Apache JServ Protocol (AJP), care must be taken when trusting incoming connections to Apache Tomcat. Tomcat treats AJP connections as having higher trust than, for example, a similar HTTP connection. If such connections are available to an attacker, they can be exploited in ways that may be surprising. In Apache Tomcat 9.0.0.M1 to 9.0.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99, Tomcat shipped with an AJP Connector enabled by default that listened on all configured IP addresses. It was expected (and recommended in the security guide) that this Connector would be disabled if not required. This vulnerability report identified a mechanism that allowed: - returning arbitrary files from anywhere in the web application - processing any file in the web application as a JSP Further, if the web application allowed file upload and stored those files within the web application (or the attacker was able to control the content of the web application by some other means) then this, along with the ability to process a file as a JSP, made remote code execution possible. It is important to note that mitigation is only required if an AJP port is accessible to untrusted users. Users wishing to take a defence-in-depth approach and block the vector that permits returning arbitrary files and execution as JSP may upgrade to Apache Tomcat 9.0.31, 8.5.51 or 7.0.100 or later. A number of changes were made to the default AJP Connector configuration in 9.0.31 to harden the default configuration. It is likely that users upgrading to 9.0.31, 8.5.51 or 7.0.100 or later will need to make small changes to their configurations."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "AJP Request Injection leading to possible Remote Code Execution",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-02-24T03:06:28",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
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        {
          "name": "[tomcat-announce] 20200224 [SECURITY] CVE-2020-1938 AJP Request Injection and potential Remote Code Execution",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
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          "url": "https://lists.apache.org/thread.html/r7c6f492fbd39af34a68681dbbba0468490ff1a97a1bd79c6a53610ef%40%3Cannounce.tomcat.apache.org%3E"
        },
        {
          "name": "[ofbiz-notifications] 20200225 [jira] [Commented] (OFBIZ-11407) Upgrade Tomcat from 9.0.29 to 9.0.31 (CVE-2020-1938)",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/r856cdd87eda7af40b50278d6de80ee4b42d63adeb433a34a7bdaf9db%40%3Cnotifications.ofbiz.apache.org%3E"
        },
        {
          "name": "[ofbiz-notifications] 20200225 [jira] [Updated] (OFBIZ-11407) Upgrade Tomcat from 9.0.29 to 9.0.31 (CVE-2020-1938)",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/r75113652e46c4dee687236510649acfb70d2c63e074152049c3f399d%40%3Cnotifications.ofbiz.apache.org%3E"
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        {
          "name": "[ofbiz-commits] 20200227 [ofbiz-plugins] branch release17.12 updated: Upgrade Tomcat from 9.0.29 to 9.0.31 (CVE-2020-1938) (OFBIZ-11407)",
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            "mailing-list",
            "x_refsource_MLIST"
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          "url": "https://lists.apache.org/thread.html/rd0774c95699d5aeb5e16e9a600fb2ea296e81175e30a62094e27e3e7%40%3Ccommits.ofbiz.apache.org%3E"
        },
        {
          "name": "[ofbiz-notifications] 20200227 [jira] [Commented] (OFBIZ-11407) Upgrade Tomcat from 9.0.29 to 9.0.31 (CVE-2020-1938)",
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            "mailing-list",
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          "url": "https://lists.apache.org/thread.html/r74328b178f9f37fe759dffbc9c1f2793e66d79d7a8a20d3836551794%40%3Cnotifications.ofbiz.apache.org%3E"
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        {
          "name": "[ofbiz-notifications] 20200228 [jira] [Commented] (OFBIZ-11407) Upgrade Tomcat from 9.0.29 to 9.0.31 (CVE-2020-1938)",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
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          "url": "https://lists.apache.org/thread.html/rce2af55f6e144ffcdc025f997eddceb315dfbc0b230e3d750a7f7425%40%3Cnotifications.ofbiz.apache.org%3E"
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        {
          "name": "[ofbiz-notifications] 20200228 [jira] [Comment Edited] (OFBIZ-11407) Upgrade Tomcat from 9.0.29 to 9.0.31 (CVE-2020-1938)",
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            "mailing-list",
            "x_refsource_MLIST"
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          "url": "https://lists.apache.org/thread.html/rad36ec6a1ffc9e43266b030c22ceeea569243555d34fb4187ff08522%40%3Cnotifications.ofbiz.apache.org%3E"
        },
        {
          "name": "[tomcat-users] 20200301 Re: [SECURITY] CVE-2020-1938 AJP Request Injection and potential Remote Code Execution",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/rb2fc890bef23cbc7f343900005fe1edd3b091cf18dada455580258f9%40%3Cusers.tomcat.apache.org%3E"
        },
        {
          "name": "[tomcat-users] 20200302 Re: AW: [SECURITY] CVE-2020-1938 AJP Request Injection and potentialRemote Code Execution",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/r38a5b7943b9a62ecb853acc22ef08ff586a7b3c66e08f949f0396ab1%40%3Cusers.tomcat.apache.org%3E"
        },
        {
          "name": "[tomcat-users] 20200302 AW: [SECURITY] CVE-2020-1938 AJP Request Injection and potentialRemote Code Execution",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/r17aaa3a05b5b7fe9075613dd0c681efa60a4f8c8fbad152c61371b6e%40%3Cusers.tomcat.apache.org%3E"
        },
        {
          "name": "[tomcat-users] 20200302 Re: [SECURITY] CVE-2020-1938 AJP Request Injection and potential Remote Code Execution",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/rd50baccd1bbb96c2327d5a8caa25a49692b3d68d96915bd1cfbb9f8b%40%3Cusers.tomcat.apache.org%3E"
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        {
          "name": "[tomcat-users] 20200304 Re: Fix for CVE-2020-1938",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/r4afa11e0464408e68f0e9560e90b185749363a66398b1491254f7864%40%3Cusers.tomcat.apache.org%3E"
        },
        {
          "name": "[tomcat-dev] 20200304 Re: Tagging 10.0.x, 9.0.x, 8.5.x",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/r772335e6851ad33ddb076218fa4ff70de1bf398d5b43e2ddf0130e5d%40%3Cdev.tomcat.apache.org%3E"
        },
        {
          "name": "[debian-lts-announce] 20200304 [SECURITY] [DLA 2133-1] tomcat7 security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/03/msg00006.html"
        },
        {
          "name": "[tomcat-users] 20200305 Aw: Re: Fix for CVE-2020-1938",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/re5eecbe5bf967439bafeeaa85987b3a43f0e6efe06b6976ee768cde2%40%3Cusers.tomcat.apache.org%3E"
        },
        {
          "name": "[tomcat-users] 20200305 Re: Aw: Re: Fix for CVE-2020-1938",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/r5e2f1201b92ee05a0527cfc076a81ea0c270be299b87895c0ddbe02b%40%3Cusers.tomcat.apache.org%3E"
        },
        {
          "name": "[tomcat-dev] 20200309 [Bug 64206] Answer file not being used",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/r549b43509e387a42656f0641fa311bf27c127c244fe02007d5b8d6f6%40%3Cdev.tomcat.apache.org%3E"
        },
        {
          "name": "[tomcat-users] 20200309 Re: Apache Tomcat AJP File Inclusion Vulnerability (unauthenticated check)",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/r61f280a76902b594692f0b24a1dbf647bb5a4c197b9395e9a6796e7c%40%3Cusers.tomcat.apache.org%3E"
        },
        {
          "name": "[tomcat-users] 20200310 Aw: Re: Re: Fix for CVE-2020-1938",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/r4f86cb260196e5cfcbbe782822c225ddcc70f54560f14a8f11c6926f%40%3Cusers.tomcat.apache.org%3E"
        },
        {
          "name": "[tomcat-users] 20200310 Re: Re: Re: Fix for CVE-2020-1938",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/r9f119d9ce9239114022e13dbfe385b3de7c972f24f05d6dbd35c1a2f%40%3Cusers.tomcat.apache.org%3E"
        },
        {
          "name": "[tomee-dev] 20200311 CVE-2020-1938 on Tomcat 9.0.30 / TomEE 8.0.1",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/r089dc67c0358a1556dd279c762c74f32d7a254a54836b7ee2d839d8e%40%3Cdev.tomee.apache.org%3E"
        },
        {
          "name": "[tomee-dev] 20200311 Re: CVE-2020-1938 on Tomcat 9.0.30 / TomEE 8.0.1",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/rbdb1d2b651a3728f0ceba9e0853575b6f90296a94a71836a15f7364a%40%3Cdev.tomee.apache.org%3E"
        },
        {
          "name": "openSUSE-SU-2020:0345",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00025.html"
        },
        {
          "name": "[tomee-dev] 20200316 RE: CVE-2020-8840 on TomEE 8.0.1",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/rc068e824654c4b8bd4f2490bec869e29edbfcd5dfe02d47cbf7433b2%40%3Cdev.tomee.apache.org%3E"
        },
        {
          "name": "[httpd-bugs] 20200319 [Bug 53098] mod_proxy_ajp: patch to set worker secret passed to tomcat",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/rf26663f42e7f1a1d1cac732469fb5e92c89908a48b61ec546dbb79ca%40%3Cbugs.httpd.apache.org%3E"
        },
        {
          "name": "GLSA-202003-43",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202003-43"
        },
        {
          "name": "[tomee-commits] 20200320 [jira] [Updated] (TOMEE-2789) TomEE plus(7.0.7) is affected by CVE-2020-1938(BDSA-2020-0339) vulnerability.",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/rcd5cd301e9e7e39f939baf2f5d58704750be07a5e2d3393e40ca7194%40%3Ccommits.tomee.apache.org%3E"
        },
        {
          "name": "[tomee-commits] 20200320 [jira] [Created] (TOMEE-2789) TomEE plus is affected by CVE-2020-1938(BDSA-2020-0339) vulnerability.",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/rf992c5adf376294af31378a70aa8a158388a41d7039668821be28df3%40%3Ccommits.tomee.apache.org%3E"
        },
        {
          "name": "[tomee-commits] 20200323 [jira] [Commented] (TOMEE-2789) TomEE plus(7.0.7) is affected by CVE-2020-1938(BDSA-2020-0339) vulnerability.",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.apache.org/thread.html/r6a5633cad1b560a1e51f5b425f02918bdf30e090fdf18c5f7c2617eb%40%3Ccommits.tomee.apache.org%3E"
        },
        {
          "name": "FEDORA-2020-0e42878ba7",
          "tags": [
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              "name": "[tomee-users] 20200723 Re: TomEE on Docker",
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              "url": "https://lists.apache.org/thread.html/r92d78655c068d0bc991d1edbdfb24f9c5134603e647cade1113d4e0a@%3Cusers.tomee.apache.org%3E"
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              "name": "[geode-issues] 20200831 [jira] [Created] (GEODE-8471) Dependency security issues in geode-core-1.12",
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              "name": "[tomee-commits] 20201127 [jira] [Resolved] (TOMEE-2789) TomEE plus(7.0.7) is affected by CVE-2020-1938(BDSA-2020-0339) vulnerability.",
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              "name": "[tomee-commits] 20201127 [jira] [Updated] (TOMEE-2789) TomEE plus(7.0.7) is affected by CVE-2020-1938(BDSA-2020-0339) vulnerability.",
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              "name": "[announce] 20210125 Apache Software Foundation Security Report: 2020",
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              "url": "https://lists.apache.org/thread.html/r90890afea72a9571d666820b2fe5942a0a5f86be406fa31da3dd0922@%3Cannounce.apache.org%3E"
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              "name": "[announce] 20210223 Re: Apache Software Foundation Security Report: 2020",
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              "url": "https://lists.apache.org/thread.html/r1125f3044a0946d1e7e6f125a6170b58d413ebd4a95157e4608041c7@%3Cannounce.apache.org%3E"
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  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2020-1938",
    "datePublished": "2020-02-24T21:19:18",
    "dateReserved": "2019-12-02T00:00:00",
    "dateUpdated": "2024-08-04T06:54:00.412Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "cisa_known_exploited": {
      "cveID": "CVE-2020-1938",
      "dateAdded": "2022-03-03",
      "dueDate": "2022-03-17",
      "knownRansomwareCampaignUse": "Unknown",
      "notes": "",
      "product": "Tomcat",
      "requiredAction": "Apply updates per vendor instructions.",
      "shortDescription": "Apache Tomcat treats Apache JServ Protocol (AJP) connections as having higher trust than, for example, a similar HTTP connection. If such connections are available to an attacker, they can be exploited.",
      "vendorProject": "Apache",
      "vulnerabilityName": "Apache Tomcat Improper Privilege Management Vulnerability"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-1938\",\"sourceIdentifier\":\"security@apache.org\",\"published\":\"2020-02-24T22:15:12.057\",\"lastModified\":\"2024-07-24T14:23:59.937\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"cisaExploitAdd\":\"2022-03-03\",\"cisaActionDue\":\"2022-03-17\",\"cisaRequiredAction\":\"Apply updates per vendor instructions.\",\"cisaVulnerabilityName\":\"Apache Tomcat Improper Privilege Management Vulnerability\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"When using the Apache JServ Protocol (AJP), care must be taken when trusting incoming connections to Apache Tomcat. Tomcat treats AJP connections as having higher trust than, for example, a similar HTTP connection. If such connections are available to an attacker, they can be exploited in ways that may be surprising. In Apache Tomcat 9.0.0.M1 to 9.0.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99, Tomcat shipped with an AJP Connector enabled by default that listened on all configured IP addresses. It was expected (and recommended in the security guide) that this Connector would be disabled if not required. This vulnerability report identified a mechanism that allowed: - returning arbitrary files from anywhere in the web application - processing any file in the web application as a JSP Further, if the web application allowed file upload and stored those files within the web application (or the attacker was able to control the content of the web application by some other means) then this, along with the ability to process a file as a JSP, made remote code execution possible. It is important to note that mitigation is only required if an AJP port is accessible to untrusted users. Users wishing to take a defence-in-depth approach and block the vector that permits returning arbitrary files and execution as JSP may upgrade to Apache Tomcat 9.0.31, 8.5.51 or 7.0.100 or later. A number of changes were made to the default AJP Connector configuration in 9.0.31 to harden the default configuration. It is likely that users upgrading to 9.0.31, 8.5.51 or 7.0.100 or later will need to make small changes to their configurations.\"},{\"lang\":\"es\",\"value\":\"Cuando se usa el Apache JServ Protocol (AJP), se debe tener cuidado cuando se conf\u00eda en las conexiones entrantes a Apache Tomcat. Tomcat trata las conexiones de AJP como teni\u00e9ndoles la mayor confianza que, por ejemplo, una conexi\u00f3n HTTP similar. Si tales conexiones est\u00e1n disponibles para un atacante, pueden ser explotadas de manera sorprendente. En Apache Tomcat versiones 9.0.0.M1 hasta 9.0.0.30, versiones 8.5.0 hasta 8.5.50 y versiones 7.0.0 hasta 7.0.99, Tomcat se envi\u00f3 con un conector de AJP habilitado por defecto que escuchaba sobre todas las direcciones IP configuradas. Se esperaba (y se recomienda en la gu\u00eda de seguridad) que este conector sea deshabilitado si no es requerido. Este reporte de vulnerabilidad identific\u00f3 un mecanismo que permit\u00eda: - devolver archivos arbitrarios desde cualquier lugar de la aplicaci\u00f3n web - procesar cualquier archivo en la aplicaci\u00f3n web como JSP. Adem\u00e1s, si la aplicaci\u00f3n web permit\u00eda cargar archivos y almacenarlos dentro de la aplicaci\u00f3n web (o el atacante fue capaz de controlar el contenido de la aplicaci\u00f3n web por otros medios) y esto, junto con la capacidad de procesar un archivo como JSP, hizo posible una ejecuci\u00f3n de c\u00f3digo remota. Es importante notar que la mitigaci\u00f3n solo es requerida si un puerto AJP es accesible por usuarios no confiables. Los usuarios que deseen adoptar un enfoque de defensa en profundidad y bloquear el vector que permite la devoluci\u00f3n de archivos arbitrarios y una ejecuci\u00f3n como JSP pueden actualizar a Apache Tomcat versiones 9.0.31, 8.5.51 o 7.0.100 o posterior. Se realizaron un n\u00famero de cambios en la configuraci\u00f3n predeterminada del conector AJP en la versi\u00f3n 9.0.31 para fortalecer la configuraci\u00f3n predeterminada. Es probable que los usuarios que actualicen a versiones 9.0.31, 8.5.51 o 7.0.100 o posterior necesitar\u00e1n llevar a cabo peque\u00f1os cambios en sus configuraciones.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":7.5},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:geode:1.12.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8DD32C20-8B17-4197-9943-B8293D1C3BED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.0.0\",\"versionEndIncluding\":\"7.0.99\",\"matchCriteriaId\":\"2EC441A9-309B-4478-A60C-AD9EE2E31C53\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"8.5.0\",\"versionEndIncluding\":\"8.5.50\",\"matchCriteriaId\":\"0CE458D0-7BED-406E-AEDC-0A74D5B2245B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"9.0.0\",\"versionEndIncluding\":\"9.0.30\",\"matchCriteriaId\":\"255568C5-7907-4C8C-BD1A-8F1F6061CE17\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"97A4B8DF-58DA-4AB6-A1F9-331B36409BA3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"80F0FA5D-8D3B-4C0E-81E2-87998286AF33\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"36D96259-24BD-44E2-96D9-78CE1D41F956\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:agile_engineering_data_management:6.2.1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"80C9DBB8-3D50-4D5D-859A-B022EB7C2E64\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:agile_plm:9.3.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D14ABF04-E460-4911-9C6C-B7BCEFE68E9D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:agile_plm:9.3.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"ED43772F-D280-42F6-A292-7198284D6FE7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:agile_plm:9.3.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C650FEDB-E903-4C2D-AD40-282AB5F2E3C2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:communications_element_manager:8.1.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0C57FD3A-0CC1-4BA9-879A-8C4A40234162\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:communications_element_manager:8.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"698FB6D0-B26F-4760-9B9B-1C65FBFF2126\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:communications_element_manager:8.2.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4F1D64BC-17BF-4DAE-B5FC-BC41F9C12DFD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:communications_instant_messaging_server:10.0.1.4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0DB23B9A-571E-4B77-B432-23F3DC9B67D1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:health_sciences_empirica_inspections:1.0.1.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F5F58398-0001-42FE-BD17-44F924955C3D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:health_sciences_empirica_signal:7.3.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"456AE11C-DD5B-4EA9-AA93-AAFC988830EB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:hospitality_guest_access:4.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1A3DC116-2844-47A1-BEC2-D0675DD97148\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:hospitality_guest_access:4.2.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E0F1DF3E-0F2D-4EFC-9A3E-F72149C8AE94\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:instantis_enterprisetrack:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"17.1\",\"versionEndIncluding\":\"17.3\",\"matchCriteriaId\":\"9A74FD5F-4FEA-4A74-8B92-72DFDE6BA464\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:mysql_enterprise_monitor:*:*:*:*:*:*:*:*\",\"versionE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Notes\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L46WJIV6UV3FWA5O5YEY6XLA73RYD53B/\",\"source\":\"security@apache.org\",\"tags\":[\"Release Notes\"]},{\"url\":\"https://security.gentoo.org/glsa/202003-43\",\"source\":\"security@apache.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20200226-0002/\",\"source\":\"security@apache.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2020/dsa-4673\",\"source\":\"security@apache.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.debian.org/security/2020/dsa-4680\",\"source\":\"security@apache.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.oracle.com/security-alerts/cpujan2021.html\",\"source\":\"security@apache.org\",\"tags\":[\"Patch\",\"Third Party 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  }
}


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