CVE-2023-20057 (GCVE-0-2023-20057)

Vulnerability from cvelistv5 – Published: 2023-01-19 01:32 – Updated: 2024-08-02 08:57
VLAI?
Summary
A vulnerability in the URL filtering mechanism of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device. This vulnerability is due to improper processing of URLs. An attacker could exploit this vulnerability by crafting a URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for an affected device, which could allow malicious URLs to pass through the device.
Severity ?
0 (None)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:N
CWE
  • CWE-792 - Incomplete Filtering of One or More Instances of Special Elements
Assigner
References
Impacted products
Vendor Product Version
Cisco Cisco Email Security Appliance (ESA) Unaffected: 10.0.1-087
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T08:57:35.557Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "cisco-sa-esa-url-bypass-WbMQqNJh",
            "tags": [
              "x_transferred"
            ],
            "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-url-bypass-WbMQqNJh"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Cisco Email Security Appliance (ESA)",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "unaffected",
              "version": "10.0.1-087"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the URL filtering mechanism of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device.\r\n\r This vulnerability is due to improper processing of URLs. An attacker could exploit this vulnerability by crafting a URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for an affected device, which could allow malicious URLs to pass through the device."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 0,
            "baseSeverity": "NONE",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:N",
            "version": "3.1"
          },
          "format": "cvssV3_1"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-792",
              "description": "Incomplete Filtering of One or More Instances of Special Elements",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-07-15T00:27:54.327174Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "cisco-sa-esa-url-bypass-WbMQqNJh",
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-url-bypass-WbMQqNJh"
        }
      ],
      "source": {
        "advisory": "cisco-sa-esa-url-bypass-WbMQqNJh",
        "defects": [
          "CSCwb58117"
        ],
        "discovery": "EXTERNAL"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2023-20057",
    "datePublished": "2023-01-19T01:32:32.802Z",
    "dateReserved": "2022-10-27T18:47:50.320Z",
    "dateUpdated": "2024-08-02T08:57:35.557Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:cisco:asyncos:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"87AA6AB8-12B9-4810-9D06-01EEBF7B01C9\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:cisco:email_security_appliance_c160:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"50009089-506D-42B4-B34D-CFC719B0395B\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:cisco:email_security_appliance_c170:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"0E5FD72D-E9E6-451C-9483-EBFDD41C9336\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:cisco:email_security_appliance_c190:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"A2C890DD-36BE-416F-B0D3-FB8AAD5F03BD\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:cisco:email_security_appliance_c370:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"B8ED62C8-2B7E-47CA-BE16-00E02CA72763\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:cisco:email_security_appliance_c370d:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"93AF10FC-7988-446F-86E6-8A4E90762DA0\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:cisco:email_security_appliance_c380:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"CBA19FA3-6CFE-4D6A-A987-CE49A650BE3E\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:cisco:email_security_appliance_c390:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"675068B9-167C-42F9-87DD-FF0146B8ADDC\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:cisco:email_security_appliance_c670:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"A1149EA5-37D0-4E1F-803D-A7A0658653FE\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:cisco:email_security_appliance_c680:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"1A2334C4-812A-4C28-B708-EA969C05D4C1\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:cisco:email_security_appliance_c690:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"4BA67042-D6DD-436D-9E41-475CBD670940\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:cisco:email_security_appliance_c690x:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"57AFD49E-F367-4776-85B8-6BD7F57D78C9\"}, {\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:cisco:email_security_appliance_x1070:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"E312DF25-A961-4682-B374-4A394431F8E3\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"A vulnerability in the URL filtering mechanism of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device.\\r\\n\\r This vulnerability is due to improper processing of URLs. An attacker could exploit this vulnerability by crafting a URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for an affected device, which could allow malicious URLs to pass through the device.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad en el mecanismo de filtrado de URL del software Cisco AsyncOS para Cisco Email Security Appliance (ESA) podr\\u00eda permitir que un atacante remoto no autenticado evite los filtros de reputaci\\u00f3n de URL en un dispositivo afectado. Esta vulnerabilidad se debe a un procesamiento inadecuado de las URL. Un atacante podr\\u00eda aprovechar esta vulnerabilidad creando una URL de una manera particular. Un exploit exitoso podr\\u00eda permitir al atacante eludir los filtros de reputaci\\u00f3n de URL configurados para un dispositivo afectado, lo que podr\\u00eda permitir que URL maliciosas pasen a trav\\u00e9s del dispositivo.\"}]",
      "id": "CVE-2023-20057",
      "lastModified": "2024-11-21T07:40:27.190",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"ykramarz@cisco.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:N\", \"baseScore\": 0.0, \"baseSeverity\": \"NONE\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 0.0}, {\"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:N/I:L/A:N\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 1.4}]}",
      "published": "2023-01-20T07:15:17.377",
      "references": "[{\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-url-bypass-WbMQqNJh\", \"source\": \"ykramarz@cisco.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-url-bypass-WbMQqNJh\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "ykramarz@cisco.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"ykramarz@cisco.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-792\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-74\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-20057\",\"sourceIdentifier\":\"psirt@cisco.com\",\"published\":\"2023-01-20T07:15:17.377\",\"lastModified\":\"2024-11-21T07:40:27.190\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the URL filtering mechanism of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device.\\r\\n\\r This vulnerability is due to improper processing of URLs. An attacker could exploit this vulnerability by crafting a URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for an affected device, which could allow malicious URLs to pass through the device.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en el mecanismo de filtrado de URL del software Cisco AsyncOS para Cisco Email Security Appliance (ESA) podr\u00eda permitir que un atacante remoto no autenticado evite los filtros de reputaci\u00f3n de URL en un dispositivo afectado. Esta vulnerabilidad se debe a un procesamiento inadecuado de las URL. Un atacante podr\u00eda aprovechar esta vulnerabilidad creando una URL de una manera particular. Un exploit exitoso podr\u00eda permitir al atacante eludir los filtros de reputaci\u00f3n de URL configurados para un dispositivo afectado, lo que podr\u00eda permitir que URL maliciosas pasen a trav\u00e9s del dispositivo.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@cisco.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:N\",\"baseScore\":0.0,\"baseSeverity\":\"NONE\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":0.0},{\"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:N/I:L/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"psirt@cisco.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-792\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-74\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:asyncos:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"87AA6AB8-12B9-4810-9D06-01EEBF7B01C9\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:email_security_appliance_c160:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"50009089-506D-42B4-B34D-CFC719B0395B\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:email_security_appliance_c170:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0E5FD72D-E9E6-451C-9483-EBFDD41C9336\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:email_security_appliance_c190:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A2C890DD-36BE-416F-B0D3-FB8AAD5F03BD\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:email_security_appliance_c370:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B8ED62C8-2B7E-47CA-BE16-00E02CA72763\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:email_security_appliance_c370d:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"93AF10FC-7988-446F-86E6-8A4E90762DA0\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:email_security_appliance_c380:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CBA19FA3-6CFE-4D6A-A987-CE49A650BE3E\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:email_security_appliance_c390:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"675068B9-167C-42F9-87DD-FF0146B8ADDC\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:email_security_appliance_c670:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A1149EA5-37D0-4E1F-803D-A7A0658653FE\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:email_security_appliance_c680:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1A2334C4-812A-4C28-B708-EA969C05D4C1\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:email_security_appliance_c690:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4BA67042-D6DD-436D-9E41-475CBD670940\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:email_security_appliance_c690x:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"57AFD49E-F367-4776-85B8-6BD7F57D78C9\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:email_security_appliance_x1070:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E312DF25-A961-4682-B374-4A394431F8E3\"}]}]}],\"references\":[{\"url\":\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-url-bypass-WbMQqNJh\",\"source\":\"psirt@cisco.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-url-bypass-WbMQqNJh\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.