fkie_cve-2020-13943
Vulnerability from fkie_nvd
Published
2020-10-12 14:15
Modified
2024-11-21 05:02
Severity ?
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
If an HTTP/2 client connecting to Apache Tomcat 10.0.0-M1 to 10.0.0-M7, 9.0.0.M1 to 9.0.37 or 8.5.0 to 8.5.57 exceeded the agreed maximum number of concurrent streams for a connection (in violation of the HTTP/2 protocol), it was possible that a subsequent request made on that connection could contain HTTP headers - including HTTP/2 pseudo headers - from a previous request rather than the intended headers. This could lead to users seeing responses for unexpected resources.
References
security@apache.orghttp://lists.opensuse.org/opensuse-security-announce/2020-11/msg00002.htmlMailing List, Third Party Advisory
security@apache.orghttp://lists.opensuse.org/opensuse-security-announce/2020-11/msg00021.htmlBroken Link
security@apache.orghttps://lists.apache.org/thread.html/r4a390027eb27e4550142fac6c8317cc684b157ae314d31514747f307%40%3Cannounce.tomcat.apache.org%3EVendor Advisory
security@apache.orghttps://lists.debian.org/debian-lts-announce/2020/10/msg00019.htmlThird Party Advisory
security@apache.orghttps://security.netapp.com/advisory/ntap-20201016-0007/Third Party Advisory
security@apache.orghttps://www.debian.org/security/2021/dsa-4835Third Party Advisory
security@apache.orghttps://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00002.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00021.htmlBroken Link
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r4a390027eb27e4550142fac6c8317cc684b157ae314d31514747f307%40%3Cannounce.tomcat.apache.org%3EVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/10/msg00019.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20201016-0007/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2021/dsa-4835Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
Impacted products
Vendor Product Version
apache tomcat 8.5.0
apache tomcat 8.5.1
apache tomcat 8.5.2
apache tomcat 8.5.3
apache tomcat 8.5.4
apache tomcat 8.5.5
apache tomcat 8.5.6
apache tomcat 8.5.7
apache tomcat 8.5.8
apache tomcat 8.5.9
apache tomcat 8.5.10
apache tomcat 8.5.11
apache tomcat 8.5.12
apache tomcat 8.5.13
apache tomcat 8.5.14
apache tomcat 8.5.15
apache tomcat 8.5.16
apache tomcat 8.5.17
apache tomcat 8.5.18
apache tomcat 8.5.19
apache tomcat 8.5.20
apache tomcat 8.5.21
apache tomcat 8.5.22
apache tomcat 8.5.23
apache tomcat 8.5.24
apache tomcat 8.5.25
apache tomcat 8.5.26
apache tomcat 8.5.27
apache tomcat 8.5.28
apache tomcat 8.5.29
apache tomcat 8.5.30
apache tomcat 8.5.31
apache tomcat 8.5.32
apache tomcat 8.5.33
apache tomcat 8.5.34
apache tomcat 8.5.35
apache tomcat 8.5.36
apache tomcat 8.5.37
apache tomcat 8.5.38
apache tomcat 8.5.39
apache tomcat 8.5.40
apache tomcat 8.5.41
apache tomcat 8.5.42
apache tomcat 8.5.43
apache tomcat 8.5.44
apache tomcat 8.5.45
apache tomcat 8.5.46
apache tomcat 8.5.47
apache tomcat 8.5.48
apache tomcat 8.5.49
apache tomcat 8.5.50
apache tomcat 8.5.51
apache tomcat 8.5.52
apache tomcat 8.5.53
apache tomcat 8.5.54
apache tomcat 8.5.55
apache tomcat 8.5.56
apache tomcat 8.5.57
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.0
apache tomcat 9.0.1
apache tomcat 9.0.2
apache tomcat 9.0.3
apache tomcat 9.0.4
apache tomcat 9.0.5
apache tomcat 9.0.6
apache tomcat 9.0.7
apache tomcat 9.0.8
apache tomcat 9.0.9
apache tomcat 9.0.10
apache tomcat 9.0.11
apache tomcat 9.0.12
apache tomcat 9.0.13
apache tomcat 9.0.14
apache tomcat 9.0.15
apache tomcat 9.0.16
apache tomcat 9.0.17
apache tomcat 9.0.18
apache tomcat 9.0.19
apache tomcat 9.0.20
apache tomcat 9.0.21
apache tomcat 9.0.22
apache tomcat 9.0.23
apache tomcat 9.0.24
apache tomcat 9.0.25
apache tomcat 9.0.26
apache tomcat 9.0.27
apache tomcat 9.0.28
apache tomcat 9.0.29
apache tomcat 9.0.30
apache tomcat 9.0.31
apache tomcat 9.0.32
apache tomcat 9.0.33
apache tomcat 9.0.34
apache tomcat 9.0.35
apache tomcat 9.0.36
apache tomcat 9.0.37
apache tomcat 10.0.0
apache tomcat 10.0.0
apache tomcat 10.0.0
apache tomcat 10.0.0
apache tomcat 10.0.0
apache tomcat 10.0.0
apache tomcat 10.0.0
debian debian_linux 9.0
debian debian_linux 10.0
oracle instantis_enterprisetrack 17.1
oracle instantis_enterprisetrack 17.2
oracle instantis_enterprisetrack 17.3
oracle sd-wan_edge 9.0


To clipboard 

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               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                     matchCriteriaId: "DEECE5FC-CACF-4496-A3E7-164736409252",
                     vulnerable: true,
                  },
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                     matchCriteriaId: "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
         nodes: [
            {
               cpeMatch: [
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                     matchCriteriaId: "82EA4BA7-C38B-4AF3-8914-9E3D089EBDD4",
                     vulnerable: true,
                  },
                  {
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                     matchCriteriaId: "B9C9BC66-FA5F-4774-9BDA-7AB88E2839C4",
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                     matchCriteriaId: "7F69B9A5-F21B-4904-9F27-95C0F7A628E3",
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                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "If an HTTP/2 client connecting to Apache Tomcat 10.0.0-M1 to 10.0.0-M7, 9.0.0.M1 to 9.0.37 or 8.5.0 to 8.5.57 exceeded the agreed maximum number of concurrent streams for a connection (in violation of the HTTP/2 protocol), it was possible that a subsequent request made on that connection could contain HTTP headers - including HTTP/2 pseudo headers - from a previous request rather than the intended headers. This could lead to users seeing responses for unexpected resources.",
      },
      {
         lang: "es",
         value: "Si un cliente HTTP/2 conectado a Apache Tomcat versiones 10.0.0-M1 hasta 10.0.0-M7, versiones 9.0.0.M1 hasta 9.0.37 o versiones 8.5.0 hasta 8.5.57, excedió el número máximo acordado de transmisiones simultáneas para una conexión (en violación del protocolo HTTP/2), era posible que una petición subsiguiente realizada en esa conexión pudiera contener encabezados HTTP, incluyendo los pseudo encabezados HTTP/2, de una petición anterior en lugar de los encabezados previstos. Esto podría conllevar que los usuarios visualicen respuestas para recursos inesperados",
      },
   ],
   id: "CVE-2020-13943",
   lastModified: "2024-11-21T05:02:11.967",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "NETWORK",
               authentication: "SINGLE",
               availabilityImpact: "NONE",
               baseScore: 4,
               confidentialityImpact: "PARTIAL",
               integrityImpact: "NONE",
               vectorString: "AV:N/AC:L/Au:S/C:P/I:N/A:N",
               version: "2.0",
            },
            exploitabilityScore: 8,
            impactScore: 2.9,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "NONE",
               baseScore: 4.3,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "LOW",
               integrityImpact: "NONE",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
               version: "3.1",
            },
            exploitabilityScore: 2.8,
            impactScore: 1.4,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2020-10-12T14:15:12.183",
   references: [
      {
         source: "security@apache.org",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00002.html",
      },
      {
         source: "security@apache.org",
         tags: [
            "Broken Link",
         ],
         url: "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00021.html",
      },
      {
         source: "security@apache.org",
         tags: [
            "Vendor Advisory",
         ],
         url: "https://lists.apache.org/thread.html/r4a390027eb27e4550142fac6c8317cc684b157ae314d31514747f307%40%3Cannounce.tomcat.apache.org%3E",
      },
      {
         source: "security@apache.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://lists.debian.org/debian-lts-announce/2020/10/msg00019.html",
      },
      {
         source: "security@apache.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security.netapp.com/advisory/ntap-20201016-0007/",
      },
      {
         source: "security@apache.org",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://www.debian.org/security/2021/dsa-4835",
      },
      {
         source: "security@apache.org",
         tags: [
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://www.oracle.com/security-alerts/cpuApr2021.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Mailing List",
            "Third Party Advisory",
         ],
         url: "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00002.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Broken Link",
         ],
         url: "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00021.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Vendor Advisory",
         ],
         url: "https://lists.apache.org/thread.html/r4a390027eb27e4550142fac6c8317cc684b157ae314d31514747f307%40%3Cannounce.tomcat.apache.org%3E",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://lists.debian.org/debian-lts-announce/2020/10/msg00019.html",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://security.netapp.com/advisory/ntap-20201016-0007/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://www.debian.org/security/2021/dsa-4835",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Patch",
            "Third Party Advisory",
         ],
         url: "https://www.oracle.com/security-alerts/cpuApr2021.html",
      },
   ],
   sourceIdentifier: "security@apache.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "NVD-CWE-noinfo",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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UUIDv4 of the Vulnerability-Lookup instance
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Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.