CVE-2024-20495
Vulnerability from cvelistv5
Published
2024-10-23 17:53
Modified
2024-10-23 19:12
Summary
A vulnerability in the Remote Access VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition on an affected device. This vulnerability is due to improper validation of client key data after the TLS session is established. An attacker could exploit this vulnerability by sending a crafted key value to an affected system over the secure TLS session. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
Show details on NVD website


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              "version": "9.14.1.19"
            },
            {
              "status": "affected",
              "version": "9.14.1.30"
            },
            {
              "status": "affected",
              "version": "9.14.2"
            },
            {
              "status": "affected",
              "version": "9.14.2.4"
            },
            {
              "status": "affected",
              "version": "9.14.2.8"
            },
            {
              "status": "affected",
              "version": "9.14.2.13"
            },
            {
              "status": "affected",
              "version": "9.14.2.15"
            },
            {
              "status": "affected",
              "version": "9.14.3"
            },
            {
              "status": "affected",
              "version": "9.14.3.1"
            },
            {
              "status": "affected",
              "version": "9.14.3.9"
            },
            {
              "status": "affected",
              "version": "9.14.3.11"
            },
            {
              "status": "affected",
              "version": "9.14.3.13"
            },
            {
              "status": "affected",
              "version": "9.14.3.18"
            },
            {
              "status": "affected",
              "version": "9.14.3.15"
            },
            {
              "status": "affected",
              "version": "9.14.4"
            },
            {
              "status": "affected",
              "version": "9.14.4.6"
            },
            {
              "status": "affected",
              "version": "9.14.4.7"
            },
            {
              "status": "affected",
              "version": "9.14.4.12"
            },
            {
              "status": "affected",
              "version": "9.14.4.13"
            },
            {
              "status": "affected",
              "version": "9.14.4.14"
            },
            {
              "status": "affected",
              "version": "9.14.4.15"
            },
            {
              "status": "affected",
              "version": "9.14.4.17"
            },
            {
              "status": "affected",
              "version": "9.14.4.22"
            },
            {
              "status": "affected",
              "version": "9.14.4.23"
            },
            {
              "status": "affected",
              "version": "9.14.4.24"
            },
            {
              "status": "affected",
              "version": "9.15.1"
            },
            {
              "status": "affected",
              "version": "9.15.1.7"
            },
            {
              "status": "affected",
              "version": "9.15.1.10"
            },
            {
              "status": "affected",
              "version": "9.15.1.15"
            },
            {
              "status": "affected",
              "version": "9.15.1.16"
            },
            {
              "status": "affected",
              "version": "9.15.1.17"
            },
            {
              "status": "affected",
              "version": "9.15.1.1"
            },
            {
              "status": "affected",
              "version": "9.15.1.21"
            },
            {
              "status": "affected",
              "version": "9.16.1"
            },
            {
              "status": "affected",
              "version": "9.16.1.28"
            },
            {
              "status": "affected",
              "version": "9.16.2"
            },
            {
              "status": "affected",
              "version": "9.16.2.3"
            },
            {
              "status": "affected",
              "version": "9.16.2.7"
            },
            {
              "status": "affected",
              "version": "9.16.2.11"
            },
            {
              "status": "affected",
              "version": "9.16.2.13"
            },
            {
              "status": "affected",
              "version": "9.16.2.14"
            },
            {
              "status": "affected",
              "version": "9.16.3"
            },
            {
              "status": "affected",
              "version": "9.16.3.3"
            },
            {
              "status": "affected",
              "version": "9.16.3.14"
            },
            {
              "status": "affected",
              "version": "9.16.3.15"
            },
            {
              "status": "affected",
              "version": "9.16.3.19"
            },
            {
              "status": "affected",
              "version": "9.16.3.23"
            },
            {
              "status": "affected",
              "version": "9.16.4"
            },
            {
              "status": "affected",
              "version": "9.16.4.9"
            },
            {
              "status": "affected",
              "version": "9.16.4.14"
            },
            {
              "status": "affected",
              "version": "9.16.4.18"
            },
            {
              "status": "affected",
              "version": "9.16.4.19"
            },
            {
              "status": "affected",
              "version": "9.16.4.27"
            },
            {
              "status": "affected",
              "version": "9.16.4.38"
            },
            {
              "status": "affected",
              "version": "9.16.4.39"
            },
            {
              "status": "affected",
              "version": "9.16.4.42"
            },
            {
              "status": "affected",
              "version": "9.16.4.48"
            },
            {
              "status": "affected",
              "version": "9.16.4.55"
            },
            {
              "status": "affected",
              "version": "9.16.4.57"
            },
            {
              "status": "affected",
              "version": "9.16.4.61"
            },
            {
              "status": "affected",
              "version": "9.16.4.62"
            },
            {
              "status": "affected",
              "version": "9.17.1"
            },
            {
              "status": "affected",
              "version": "9.17.1.7"
            },
            {
              "status": "affected",
              "version": "9.17.1.9"
            },
            {
              "status": "affected",
              "version": "9.17.1.10"
            },
            {
              "status": "affected",
              "version": "9.17.1.11"
            },
            {
              "status": "affected",
              "version": "9.17.1.13"
            },
            {
              "status": "affected",
              "version": "9.17.1.15"
            },
            {
              "status": "affected",
              "version": "9.17.1.20"
            },
            {
              "status": "affected",
              "version": "9.17.1.30"
            },
            {
              "status": "affected",
              "version": "9.17.1.33"
            },
            {
              "status": "affected",
              "version": "9.17.1.39"
            }
          ]
        },
        {
          "product": "Cisco Firepower Threat Defense Software",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "6.2.3.16"
            },
            {
              "status": "affected",
              "version": "6.2.3.17"
            },
            {
              "status": "affected",
              "version": "6.2.3.18"
            },
            {
              "status": "affected",
              "version": "6.6.0"
            },
            {
              "status": "affected",
              "version": "6.6.0.1"
            },
            {
              "status": "affected",
              "version": "6.6.1"
            },
            {
              "status": "affected",
              "version": "6.6.3"
            },
            {
              "status": "affected",
              "version": "6.6.4"
            },
            {
              "status": "affected",
              "version": "6.6.5"
            },
            {
              "status": "affected",
              "version": "6.6.5.1"
            },
            {
              "status": "affected",
              "version": "6.6.5.2"
            },
            {
              "status": "affected",
              "version": "6.6.7"
            },
            {
              "status": "affected",
              "version": "6.6.7.1"
            },
            {
              "status": "affected",
              "version": "6.6.7.2"
            },
            {
              "status": "affected",
              "version": "6.4.0.8"
            },
            {
              "status": "affected",
              "version": "6.4.0.9"
            },
            {
              "status": "affected",
              "version": "6.4.0.10"
            },
            {
              "status": "affected",
              "version": "6.4.0.11"
            },
            {
              "status": "affected",
              "version": "6.4.0.12"
            },
            {
              "status": "affected",
              "version": "6.4.0.13"
            },
            {
              "status": "affected",
              "version": "6.4.0.14"
            },
            {
              "status": "affected",
              "version": "6.4.0.15"
            },
            {
              "status": "affected",
              "version": "6.4.0.16"
            },
            {
              "status": "affected",
              "version": "6.4.0.17"
            },
            {
              "status": "affected",
              "version": "6.4.0.18"
            },
            {
              "status": "affected",
              "version": "6.7.0"
            },
            {
              "status": "affected",
              "version": "6.7.0.1"
            },
            {
              "status": "affected",
              "version": "6.7.0.2"
            },
            {
              "status": "affected",
              "version": "6.7.0.3"
            },
            {
              "status": "affected",
              "version": "7.0.0"
            },
            {
              "status": "affected",
              "version": "7.0.0.1"
            },
            {
              "status": "affected",
              "version": "7.0.1"
            },
            {
              "status": "affected",
              "version": "7.0.1.1"
            },
            {
              "status": "affected",
              "version": "7.0.2"
            },
            {
              "status": "affected",
              "version": "7.0.2.1"
            },
            {
              "status": "affected",
              "version": "7.0.3"
            },
            {
              "status": "affected",
              "version": "7.0.4"
            },
            {
              "status": "affected",
              "version": "7.0.5"
            },
            {
              "status": "affected",
              "version": "7.0.6"
            },
            {
              "status": "affected",
              "version": "7.0.6.1"
            },
            {
              "status": "affected",
              "version": "7.0.6.2"
            },
            {
              "status": "affected",
              "version": "7.1.0"
            },
            {
              "status": "affected",
              "version": "7.1.0.1"
            },
            {
              "status": "affected",
              "version": "7.1.0.2"
            },
            {
              "status": "affected",
              "version": "7.1.0.3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the Remote Access VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition on an affected device.\r\n\r This vulnerability is due to improper validation of client key data after the TLS session is established. An attacker could exploit this vulnerability by sending a crafted key value to an affected system over the secure TLS session. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition."
        }
      ],
      "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": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "cvssV3_1"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "Improper Input Validation",
              "lang": "en",
              "type": "cwe"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-10-23T17:53:14.516Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "cisco-sa-asa-vpn-cZf8gT",
          "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-vpn-cZf8gT"
        }
      ],
      "source": {
        "advisory": "cisco-sa-asa-vpn-cZf8gT",
        "defects": [
          "CSCwk53369"
        ],
        "discovery": "INTERNAL"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2024-20495",
    "datePublished": "2024-10-23T17:53:14.516Z",
    "dateReserved": "2023-11-08T15:08:07.686Z",
    "dateUpdated": "2024-10-23T19:12:27.560Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-20495\",\"sourceIdentifier\":\"ykramarz@cisco.com\",\"published\":\"2024-10-23T18:15:13.007\",\"lastModified\":\"2024-10-25T12:56:07.750\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the Remote Access VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition on an affected device.\\r\\n\\r This vulnerability is due to improper validation of client key data after the TLS session is established. An attacker could exploit this vulnerability by sending a crafted key value to an affected system over the secure TLS session. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en la funci\u00f3n de VPN de acceso remoto del software Cisco Adaptive Security Appliance (ASA) y del software Cisco Firepower Threat Defense (FTD) podr\u00eda permitir que un atacante remoto no autenticado haga que el dispositivo se recargue inesperadamente, lo que da como resultado una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en un dispositivo afectado. Esta vulnerabilidad se debe a una validaci\u00f3n incorrecta de los datos de la clave del cliente despu\u00e9s de que se establece la sesi\u00f3n TLS. Un atacante podr\u00eda aprovechar esta vulnerabilidad enviando un valor de clave creado a un sistema afectado a trav\u00e9s de la sesi\u00f3n TLS segura. Una explotaci\u00f3n exitosa podr\u00eda permitir que el atacante haga que el dispositivo se recargue, lo que da como resultado una condici\u00f3n de denegaci\u00f3n de servicio.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.6,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":4.0}]},\"weaknesses\":[{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"references\":[{\"url\":\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-vpn-cZf8gT\",\"source\":\"ykramarz@cisco.com\"}]}}"
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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