2023-11-01 19:00:24 +00:00

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{
"id": "CVE-2023-20042",
"sourceIdentifier": "ykramarz@cisco.com",
"published": "2023-11-01T18:15:08.843",
"lastModified": "2023-11-01T18:17:43.887",
"vulnStatus": "Awaiting Analysis",
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the AnyConnect SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to an implementation error within the SSL/TLS session handling process that can prevent the release of a session handler under specific conditions. An attacker could exploit this vulnerability by sending crafted SSL/TLS traffic to an affected device, increasing the probability of session handler leaks. A successful exploit could allow the attacker to eventually deplete the available session handler pool, preventing new sessions from being established and causing a DoS condition."
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "ykramarz@cisco.com",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "CHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH",
"baseScore": 6.8,
"baseSeverity": "MEDIUM"
},
"exploitabilityScore": 2.2,
"impactScore": 4.0
}
]
},
"references": [
{
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ssl-dos-kxG8mpUA",
"source": "ykramarz@cisco.com"
}
]
}