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{
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"data_version" : "4.0" ,
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"data_type" : "CVE" ,
"data_format" : "MITRE" ,
"CVE_data_meta" : {
"ID" : "CVE-2023-20042" ,
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"ASSIGNER" : "psirt@cisco.com" ,
"STATE" : "PUBLIC"
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} ,
"description" : {
"description_data" : [
{
"lang" : "eng" ,
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"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."
}
]
} ,
"problemtype" : {
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"description" : [
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"lang" : "eng" ,
"value" : "n/a"
}
]
}
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"affects" : {
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{
"vendor_name" : "Cisco" ,
"product" : {
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{
"product_name" : "Cisco Adaptive Security Appliance (ASA) Software" ,
"version" : {
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"version_affected" : "=" ,
"version_value" : "9.16.1"
} ,
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"version_affected" : "=" ,
"version_value" : "9.16.1.28"
} ,
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"version_value" : "9.16.2"
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"version_affected" : "=" ,
"version_value" : "9.16.2.3"
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{
"version_affected" : "=" ,
"version_value" : "9.16.2.7"
} ,
{
"version_affected" : "=" ,
"version_value" : "9.16.2.11"
} ,
{
"version_affected" : "=" ,
"version_value" : "9.16.2.13"
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{
"version_affected" : "=" ,
"version_value" : "9.16.2.14"
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{
"version_affected" : "=" ,
"version_value" : "9.16.3"
} ,
{
"version_affected" : "=" ,
"version_value" : "9.16.3.3"
} ,
{
"version_affected" : "=" ,
"version_value" : "9.16.3.14"
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{
"version_affected" : "=" ,
"version_value" : "9.16.3.15"
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{
"version_affected" : "=" ,
"version_value" : "9.16.3.19"
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"version_affected" : "=" ,
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{
"version_affected" : "=" ,
"version_value" : "9.16.4"
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{
"version_affected" : "=" ,
"version_value" : "9.16.4.9"
} ,
{
"version_affected" : "=" ,
"version_value" : "9.17.1"
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{
"version_affected" : "=" ,
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} ,
{
"version_affected" : "=" ,
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} ,
{
"version_affected" : "=" ,
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} ,
{
"version_affected" : "=" ,
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{
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{
"version_affected" : "=" ,
"version_value" : "9.18.1.3"
} ,
{
"version_affected" : "=" ,
"version_value" : "9.18.2"
} ,
{
"version_affected" : "=" ,
"version_value" : "9.18.2.5"
} ,
{
"version_affected" : "=" ,
"version_value" : "9.18.2.7"
} ,
{
"version_affected" : "=" ,
"version_value" : "9.19.1"
}
]
}
} ,
{
"product_name" : "Cisco Firepower Threat Defense Software" ,
"version" : {
"version_data" : [
{
"version_affected" : "=" ,
"version_value" : "7.0.0"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.0.0.1"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.0.1"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.0.1.1"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.0.2"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.0.2.1"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.0.3"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.0.4"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.0.5"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.1.0"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.1.0.1"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.1.0.2"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.1.0.3"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.2.0"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.2.0.1"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.2.1"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.2.2"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.2.3"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.3.0"
} ,
{
"version_affected" : "=" ,
"version_value" : "7.3.1"
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{
"version_affected" : "=" ,
"version_value" : "7.3.1.1"
}
]
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}
]
}
}
]
}
} ,
"references" : {
"reference_data" : [
{
"url" : "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ssl-dos-kxG8mpUA" ,
"refsource" : "MISC" ,
"name" : "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ssl-dos-kxG8mpUA"
}
]
} ,
"source" : {
"advisory" : "cisco-sa-asaftd-ssl-dos-kxG8mpUA" ,
"discovery" : "EXTERNAL" ,
"defects" : [
"CSCwd62859"
]
} ,
"exploit" : [
{
"lang" : "en" ,
"value" : "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
}
] ,
"impact" : {
"cvss" : [
{
"version" : "3.1" ,
"vectorString" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H" ,
"baseScore" : 6.8 ,
"baseSeverity" : "MEDIUM" ,
"attackVector" : "NETWORK" ,
"attackComplexity" : "HIGH" ,
"privilegesRequired" : "NONE" ,
"userInteraction" : "NONE" ,
"scope" : "CHANGED" ,
"confidentialityImpact" : "NONE" ,
"integrityImpact" : "NONE" ,
"availabilityImpact" : "HIGH"
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}
]
}
}
