885 lines
34 KiB
JSON
885 lines
34 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-20249",
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"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
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"state": "PUBLISHED",
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"assignerShortName": "cisco",
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"dateReserved": "2025-10-08T11:59:15.401Z",
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"datePublished": "2026-09-16T20:11:43.164Z",
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"dateUpdated": "2026-09-18T19:09:05.719Z"
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},
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"containers": {
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"cna": {
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"title": "Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software IKEv2 Certificate Authentication Denial of Service Vulnerability",
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"metrics": [
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{
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"format": "cvssV3_1",
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
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"baseScore": 8.6,
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"baseSeverity": "HIGH",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "CHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH"
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}
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "A vulnerability in the certification authentication feature of Internet Key Exchange version 2 (IKEv2) for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly.\r\n\r\nThis vulnerability is due to a logic error during the certificate authentication phase of the IKEv2 connection setup. An attacker could exploit this vulnerability by attempting to establish an IKEv2 VPN connection with a crafted certificate. A successful exploit could allow the attacker to cause the IKEv2 process to crash, causing a denial of service (DoS) condition."
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}
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],
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"references": [
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{
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"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ikev2cert-dos-uWyc2xtv",
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"name": "cisco-sa-asaftd-ikev2cert-dos-uWyc2xtv"
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}
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],
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"exploits": [
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{
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"lang": "en",
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"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."
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}
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],
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"source": {
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"advisory": "cisco-sa-asaftd-ikev2cert-dos-uWyc2xtv",
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"discovery": "EXTERNAL",
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"defects": [
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"CSCwt42671"
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]
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},
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"description": "Incorrect Type Conversion or Cast",
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"type": "cwe",
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"cweId": "CWE-704"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "Cisco",
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"product": "Cisco Secure Firewall Adaptive Security Appliance (ASA) Software",
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"versions": [
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{
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Cisco",
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"product": "Cisco Secure Firewall Threat Defense (FTD) Software",
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{
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"version": "7.0.5",
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"version": "7.2.2",
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{
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"version": "7.2.3",
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{
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"version": "7.3.1",
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{
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"version": "7.2.4",
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"version": "7.0.6",
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{
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"version": "7.2.5",
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{
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{
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"version": "7.3.1.1",
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{
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"version": "7.4.0",
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"version": "7.0.6.1",
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{
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"version": "7.2.5.1",
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"status": "affected"
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{
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"version": "7.4.1",
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{
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"version": "7.2.6",
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"status": "affected"
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{
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"version": "7.0.6.2",
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"status": "affected"
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{
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"version": "7.4.1.1",
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{
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"version": "7.2.7",
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"status": "affected"
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{
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"version": "7.2.5.2",
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"status": "affected"
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{
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"version": "7.3.1.2",
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{
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"version": "7.2.8",
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"status": "affected"
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{
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"version": "7.6.0",
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{
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"version": "7.4.2",
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"status": "affected"
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{
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"version": "7.2.8.1",
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"status": "affected"
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{
|
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"version": "7.0.6.3",
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"status": "affected"
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{
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"version": "7.4.2.1",
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"status": "affected"
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{
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"version": "7.2.9",
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"status": "affected"
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{
|
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"version": "7.0.7",
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"status": "affected"
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},
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{
|
|
"version": "7.7.0",
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"status": "affected"
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{
|
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"version": "7.4.2.2",
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|
"status": "affected"
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{
|
|
"version": "7.2.10",
|
|
"status": "affected"
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{
|
|
"version": "7.6.1",
|
|
"status": "affected"
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{
|
|
"version": "7.4.2.3",
|
|
"status": "affected"
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},
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{
|
|
"version": "7.0.8",
|
|
"status": "affected"
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|
},
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{
|
|
"version": "7.6.2",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.7.10",
|
|
"status": "affected"
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|
},
|
|
{
|
|
"version": "7.7.11",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.0.8.1",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.6.2.1",
|
|
"status": "affected"
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},
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{
|
|
"version": "7.7.10.1",
|
|
"status": "affected"
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},
|
|
{
|
|
"version": "7.4.2.4",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.2.10.2",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.4.3",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.6.4",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "10.0.0",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.4.4",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.0.9",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.2.11",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "7.4.7",
|
|
"status": "affected"
|
|
}
|
|
],
|
|
"defaultStatus": "unknown"
|
|
}
|
|
],
|
|
"providerMetadata": {
|
|
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
|
|
"shortName": "cisco",
|
|
"dateUpdated": "2026-09-18T19:09:05.719Z"
|
|
}
|
|
},
|
|
"adp": [
|
|
{
|
|
"metrics": [
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"timestamp": "2026-09-18T14:39:33.426532Z",
|
|
"id": "CVE-2026-20249",
|
|
"options": [
|
|
{
|
|
"Exploitation": "none"
|
|
},
|
|
{
|
|
"Automatable": "yes"
|
|
},
|
|
{
|
|
"Technical Impact": "partial"
|
|
}
|
|
],
|
|
"role": "CISA Coordinator",
|
|
"version": "2.0.3"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2026-09-18T14:46:36.166Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |