633 lines
24 KiB
JSON
633 lines
24 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-2026-20295",
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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": "2025-10-08T11:59:15.405Z",
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"datePublished": "2026-09-16T20:09:56.746Z",
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"dateUpdated": "2026-09-17T13:40:57.982Z"
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},
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"containers": {
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"cna": {
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"title": "Cisco Secure Firewall Management Center and Secure Firewall Threat Defense Software sftunnel Memory Exhaustion 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 sftunnel inter-device communication protocol of Cisco Secure FMC Software and Cisco Secure FTD Software could allow an unauthenticated, remote attacker to exhaust the available memory of an affected device.\r\n\r\nThis vulnerability is due to improper management of memory resources during sftunnel TLS connection setup. An attacker could exploit this vulnerability by sending crafted sftunnel TLS frames to an affected device during the connection setup. A successful exploit could allow the attacker to exhaust the available memory on the affected device, which could result in a 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-fmcftd-sftun-multivulns-WGVHOrN3",
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"name": "cisco-sa-fmcftd-sftun-multivulns-WGVHOrN3"
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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 vulnerabilities that are described in this advisory."
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}
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],
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"source": {
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"advisory": "cisco-sa-fmcftd-sftun-multivulns-WGVHOrN3",
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"discovery": "EXTERNAL",
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"defects": [
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"CSCwv37480"
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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": "Memory Allocation with Excessive Size Value",
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"type": "cwe",
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"cweId": "CWE-789"
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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 Management Center (FMC)",
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"versions": [
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{
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}
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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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"version": "7.7.10.1",
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"status": "affected"
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"version": "7.4.2.4",
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"status": "affected"
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{
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"status": "affected"
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{
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"version": "7.4.3",
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"status": "affected"
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{
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"version": "7.6.4",
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"status": "affected"
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{
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"version": "10.0.0",
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"status": "affected"
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{
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"version": "7.4.4",
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"status": "affected"
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{
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"version": "7.0.9",
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"status": "affected"
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{
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"version": "7.2.11",
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"status": "affected"
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}
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],
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"defaultStatus": "unknown"
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],
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"providerMetadata": {
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"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
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"shortName": "cisco",
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"dateUpdated": "2026-09-16T20:09:56.746Z"
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}
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},
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"adp": [
|
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{
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"metrics": [
|
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2026-20295",
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"role": "CISA Coordinator",
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|
"options": [
|
|
{
|
|
"Exploitation": "none"
|
|
},
|
|
{
|
|
"Automatable": "yes"
|
|
},
|
|
{
|
|
"Technical Impact": "partial"
|
|
}
|
|
],
|
|
"version": "2.0.3",
|
|
"timestamp": "2026-09-17T13:34:54.339532Z"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
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|
"dateUpdated": "2026-09-17T13:40:57.982Z"
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|
}
|
|
}
|
|
]
|
|
}
|
|
} |