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GHSA-9QX2-HWJM-5MWW
Vulnerability from github – Published: 2025-08-14 18:31 – Updated: 2025-08-14 18:31
VLAI
Details
A vulnerability in the management and VPN web servers of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a DoS condition.
This vulnerability is due to improper validation of user-supplied input on an interface with VPN web services. An attacker could exploit this vulnerability by sending crafted HTTP requests to a targeted web server on an affected device. A successful exploit could allow the attacker to cause a DoS condition when the device reloads.
Severity
8.6 (High)
{
"affected": [],
"aliases": [
"CVE-2025-20243"
],
"database_specific": {
"cwe_ids": [
"CWE-835"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-08-14T17:15:38Z",
"severity": "HIGH"
},
"details": "A vulnerability in the management and VPN web servers of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a DoS condition.\n\nThis vulnerability is due to improper validation of user-supplied input on an interface with VPN web services. An attacker could exploit this vulnerability by sending crafted HTTP requests to a targeted web server on an affected device. A successful exploit could allow the attacker to cause a DoS condition when the device reloads.",
"id": "GHSA-9qx2-hwjm-5mww",
"modified": "2025-08-14T18:31:29Z",
"published": "2025-08-14T18:31:29Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-20243"
},
{
"type": "WEB",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-vpn-dos-mfPekA6e"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
CVE-2025-20243 (GCVE-0-2025-20243)
Vulnerability from cvelistv5 – Published: 2025-08-14 16:29 – Updated: 2025-08-14 19:19
VLAI
EPSS
Title
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability
Summary
A vulnerability in the management and VPN web servers of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a DoS condition.
This vulnerability is due to improper validation of user-supplied input on an interface with VPN web services. An attacker could exploit this vulnerability by sending crafted HTTP requests to a targeted web server on an affected device. A successful exploit could allow the attacker to cause a DoS condition when the device reloads.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Adaptive Security Appliance (ASA) Software |
Affected:
9.12.3
Affected: 9.8.3 Affected: 9.12.1 Affected: 9.8.1 Affected: 9.12.2 Affected: 9.8.2.45 Affected: 9.8.2 Affected: 9.8.4 Affected: 9.14.1 Affected: 9.12.4 Affected: 9.8.2.26 Affected: 9.8.2.24 Affected: 9.8.2.15 Affected: 9.8.2.14 Affected: 9.8.2.35 Affected: 9.8.2.20 Affected: 9.8.2.8 Affected: 9.8.2.17 Affected: 9.8.2.28 Affected: 9.8.2.33 Affected: 9.8.2.38 Affected: 9.8.4.25 Affected: 9.12.3.2 Affected: 9.12.3.7 Affected: 9.8.3.18 Affected: 9.8.3.14 Affected: 9.8.4.15 Affected: 9.8.4.8 Affected: 9.8.1.7 Affected: 9.8.3.29 Affected: 9.14.1.10 Affected: 9.12.2.5 Affected: 9.8.4.22 Affected: 9.12.3.12 Affected: 9.8.4.7 Affected: 9.8.4.17 Affected: 9.8.3.16 Affected: 9.8.4.20 Affected: 9.8.3.11 Affected: 9.12.1.3 Affected: 9.8.4.3 Affected: 9.12.2.4 Affected: 9.8.4.12 Affected: 9.12.1.2 Affected: 9.8.3.26 Affected: 9.8.1.5 Affected: 9.12.2.9 Affected: 9.12.3.9 Affected: 9.8.3.21 Affected: 9.8.4.10 Affected: 9.12.2.1 Affected: 9.12.4.2 Affected: 9.14.1.6 Affected: 9.8.3.8 Affected: 9.14.1.15 Affected: 9.14.1.19 Affected: 9.8.4.26 Affected: 9.12.4.4 Affected: 9.14.1.30 Affected: 9.8.4.29 Affected: 9.12.4.7 Affected: 9.14.2 Affected: 9.12.4.8 Affected: 9.8.4.32 Affected: 9.12.4.10 Affected: 9.14.2.4 Affected: 9.14.2.8 Affected: 9.12.4.13 Affected: 9.8.4.33 Affected: 9.14.2.13 Affected: 9.8.4.34 Affected: 9.12.4.18 Affected: 9.8.4.35 Affected: 9.14.2.15 Affected: 9.12.4.24 Affected: 9.16.1 Affected: 9.8.4.39 Affected: 9.14.3 Affected: 9.12.4.26 Affected: 9.16.1.28 Affected: 9.14.3.1 Affected: 9.12.4.29 Affected: 9.14.3.9 Affected: 9.16.2 Affected: 9.12.4.30 Affected: 9.16.2.3 Affected: 9.8.4.40 Affected: 9.14.3.11 Affected: 9.12.4.35 Affected: 9.8.4.41 Affected: 9.14.3.13 Affected: 9.16.2.7 Affected: 9.12.4.37 Affected: 9.14.3.15 Affected: 9.17.1 Affected: 9.16.2.11 Affected: 9.14.3.18 Affected: 9.16.2.13 Affected: 9.12.4.39 Affected: 9.12.4.38 Affected: 9.8.4.43 Affected: 9.14.4 Affected: 9.16.2.14 Affected: 9.17.1.7 Affected: 9.12.4.40 Affected: 9.16.3.3 Affected: 9.14.4.6 Affected: 9.16.3 Affected: 9.16.3.14 Affected: 9.17.1.9 Affected: 9.14.4.7 Affected: 9.12.4.41 Affected: 9.17.1.10 Affected: 9.8.4.44 Affected: 9.18.1 Affected: 9.12.4.47 Affected: 9.14.4.12 Affected: 9.16.3.15 Affected: 9.18.1.3 Affected: 9.17.1.11 Affected: 9.12.4.48 Affected: 9.14.4.13 Affected: 9.18.2 Affected: 9.16.3.19 Affected: 9.17.1.13 Affected: 9.12.4.50 Affected: 9.14.4.14 Affected: 9.17.1.15 Affected: 9.8.4.45 Affected: 9.12.4.52 Affected: 9.14.4.15 Affected: 9.16.3.23 Affected: 9.18.2.5 Affected: 9.16.4 Affected: 9.12.4.54 Affected: 9.14.4.17 Affected: 9.8.4.46 Affected: 9.17.1.20 Affected: 9.18.2.7 Affected: 9.19.1 Affected: 9.16.4.9 Affected: 9.12.4.55 Affected: 9.18.2.8 Affected: 9.14.4.22 Affected: 9.16.4.14 Affected: 9.8.4.48 Affected: 9.18.3 Affected: 9.19.1.5 Affected: 9.14.4.23 Affected: 9.12.4.56 Affected: 9.16.4.18 Affected: 9.17.1.30 Affected: 9.19.1.9 Affected: 9.18.3.39 Affected: 9.16.4.19 Affected: 9.12.4.58 Affected: 9.19.1.12 Affected: 9.18.3.46 Affected: 9.16.4.27 Affected: 9.19.1.18 Affected: 9.18.3.53 Affected: 9.18.3.55 Affected: 9.16.4.38 Affected: 9.17.1.33 Affected: 9.12.4.62 Affected: 9.16.4.39 Affected: 9.18.3.56 Affected: 9.20.1 Affected: 9.16.4.42 Affected: 9.19.1.22 Affected: 9.18.4 Affected: 9.20.1.5 Affected: 9.18.4.5 Affected: 9.19.1.24 Affected: 9.16.4.48 Affected: 9.18.4.8 Affected: 9.20.2 Affected: 9.19.1.27 Affected: 9.12.4.65 Affected: 9.16.4.55 Affected: 9.18.4.22 Affected: 9.20.2.10 Affected: 9.16.4.57 Affected: 9.19.1.28 Affected: 9.17.1.39 Affected: 9.12.4.67 Affected: 9.14.4.24 Affected: 9.18.4.24 Affected: 9.20.2.21 Affected: 9.16.4.61 Affected: 9.19.1.31 Affected: 9.18.4.29 Affected: 9.20.2.22 Affected: 9.16.4.62 Affected: 9.18.4.34 Affected: 9.20.3 Affected: 9.16.4.67 Affected: 9.16.4.70 Affected: 9.18.4.40 Affected: 9.23.1 Affected: 9.22.1.1 Affected: 9.16.4.71 Affected: 9.20.3.4 Affected: 9.18.4.47 Affected: 9.20.3.7 Affected: 9.17.1.45 Affected: 9.19.1.37 Affected: 9.17.1.46 Affected: 9.16.4.76 Affected: 9.20.3.9 Affected: 9.19.1.38 Affected: 9.18.4.50 Affected: 9.22.1.3 Affected: 9.20.3.10 Affected: 9.22.1.2 Affected: 9.18.4.52 Affected: 9.20.3.13 Affected: 9.22.1.6 Affected: 9.18.4.53 Affected: 9.16.4.82 |
|
| Cisco | Cisco Firepower Threat Defense Software |
Affected:
6.2.3.14
Affected: 6.4.0.1 Affected: 6.2.3.7 Affected: 6.2.3 Affected: 6.4.0.2 Affected: 6.2.3.9 Affected: 6.2.3.1 Affected: 6.2.3.2 Affected: 6.4.0.5 Affected: 6.2.3.10 Affected: 6.4.0 Affected: 6.4.0.3 Affected: 6.2.3.6 Affected: 6.4.0.4 Affected: 6.2.3.15 Affected: 6.2.3.5 Affected: 6.2.3.4 Affected: 6.2.3.3 Affected: 6.2.3.8 Affected: 6.4.0.6 Affected: 6.2.3.11 Affected: 6.2.3.12 Affected: 6.2.3.13 Affected: 6.4.0.7 Affected: 6.4.0.8 Affected: 6.6.0 Affected: 6.4.0.9 Affected: 6.2.3.16 Affected: 6.6.0.1 Affected: 6.6.1 Affected: 6.4.0.10 Affected: 6.4.0.11 Affected: 6.6.3 Affected: 6.6.4 Affected: 6.4.0.12 Affected: 7.0.0 Affected: 6.2.3.17 Affected: 7.0.0.1 Affected: 6.6.5 Affected: 7.0.1 Affected: 7.1.0 Affected: 6.4.0.13 Affected: 6.6.5.1 Affected: 6.2.3.18 Affected: 7.0.1.1 Affected: 6.4.0.14 Affected: 7.1.0.1 Affected: 6.6.5.2 Affected: 7.0.2 Affected: 6.4.0.15 Affected: 7.2.0 Affected: 7.0.2.1 Affected: 7.0.3 Affected: 6.6.7 Affected: 7.1.0.2 Affected: 7.2.0.1 Affected: 7.0.4 Affected: 7.2.1 Affected: 7.0.5 Affected: 6.4.0.16 Affected: 7.3.0 Affected: 7.2.2 Affected: 7.2.3 Affected: 6.6.7.1 Affected: 7.3.1 Affected: 7.1.0.3 Affected: 7.2.4 Affected: 7.0.6 Affected: 7.2.5 Affected: 7.2.4.1 Affected: 7.3.1.1 Affected: 7.4.0 Affected: 6.4.0.17 Affected: 7.0.6.1 Affected: 7.2.5.1 Affected: 7.4.1 Affected: 7.2.6 Affected: 7.0.6.2 Affected: 7.4.1.1 Affected: 6.6.7.2 Affected: 6.4.0.18 Affected: 7.2.7 Affected: 7.2.5.2 Affected: 7.3.1.2 Affected: 7.2.8 Affected: 7.6.0 Affected: 7.4.2 Affected: 7.2.8.1 Affected: 7.0.6.3 Affected: 7.4.2.1 Affected: 7.2.9 Affected: 7.0.7 Affected: 7.7.0 Affected: 7.4.2.2 |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-20243",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-08-14T18:39:09.843152Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-08-14T19:19:56.383Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"product": "Cisco Adaptive Security Appliance (ASA) Software",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "9.12.3"
},
{
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},
{
"status": "affected",
"version": "9.12.1"
},
{
"status": "affected",
"version": "9.8.1"
},
{
"status": "affected",
"version": "9.12.2"
},
{
"status": "affected",
"version": "9.8.2.45"
},
{
"status": "affected",
"version": "9.8.2"
},
{
"status": "affected",
"version": "9.8.4"
},
{
"status": "affected",
"version": "9.14.1"
},
{
"status": "affected",
"version": "9.12.4"
},
{
"status": "affected",
"version": "9.8.2.26"
},
{
"status": "affected",
"version": "9.8.2.24"
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{
"status": "affected",
"version": "9.8.2.15"
},
{
"status": "affected",
"version": "9.8.2.14"
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{
"status": "affected",
"version": "9.8.2.35"
},
{
"status": "affected",
"version": "9.8.2.20"
},
{
"status": "affected",
"version": "9.8.2.8"
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{
"status": "affected",
"version": "9.8.2.17"
},
{
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{
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"version": "9.8.2.33"
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"status": "affected",
"version": "9.8.2.38"
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{
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"version": "9.8.4.25"
},
{
"status": "affected",
"version": "9.12.3.2"
},
{
"status": "affected",
"version": "9.12.3.7"
},
{
"status": "affected",
"version": "9.8.3.18"
},
{
"status": "affected",
"version": "9.8.3.14"
},
{
"status": "affected",
"version": "9.8.4.15"
},
{
"status": "affected",
"version": "9.8.4.8"
},
{
"status": "affected",
"version": "9.8.1.7"
},
{
"status": "affected",
"version": "9.8.3.29"
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{
"status": "affected",
"version": "9.14.1.10"
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{
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{
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"version": "9.8.4.22"
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{
"status": "affected",
"version": "9.12.2.4"
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{
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"version": "9.8.4.12"
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{
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"version": "9.12.1.2"
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{
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{
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"version": "9.8.1.5"
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{
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{
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"version": "9.12.3.9"
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"version": "9.12.4.2"
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{
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"version": "9.14.1.6"
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{
"status": "affected",
"version": "9.8.3.8"
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{
"status": "affected",
"version": "9.14.1.15"
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{
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"version": "9.14.1.19"
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{
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"version": "9.8.4.26"
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{
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"version": "9.12.4.4"
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{
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"version": "9.14.1.30"
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{
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"version": "9.8.4.29"
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{
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"version": "9.12.4.7"
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{
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"version": "9.14.2"
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{
"status": "affected",
"version": "9.12.4.8"
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{
"status": "affected",
"version": "9.8.4.32"
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{
"status": "affected",
"version": "9.12.4.10"
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{
"status": "affected",
"version": "9.14.2.4"
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{
"status": "affected",
"version": "9.14.2.8"
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{
"status": "affected",
"version": "9.12.4.13"
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{
"status": "affected",
"version": "9.8.4.33"
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{
"status": "affected",
"version": "9.14.2.13"
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{
"status": "affected",
"version": "9.8.4.34"
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{
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"version": "9.12.4.18"
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{
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"version": "9.8.4.35"
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{
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{
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{
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{
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{
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{
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{
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{
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{
"status": "affected",
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{
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{
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{
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"version": "9.16.2.3"
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{
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"version": "9.8.4.40"
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{
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"version": "9.14.3.11"
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{
"status": "affected",
"version": "9.12.4.35"
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{
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"version": "9.8.4.41"
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{
"status": "affected",
"version": "9.14.3.13"
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{
"status": "affected",
"version": "9.16.2.7"
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{
"status": "affected",
"version": "9.12.4.37"
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{
"status": "affected",
"version": "9.14.3.15"
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{
"status": "affected",
"version": "9.17.1"
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{
"status": "affected",
"version": "9.16.2.11"
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{
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"version": "9.14.3.18"
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{
"status": "affected",
"version": "9.16.2.13"
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{
"status": "affected",
"version": "9.12.4.39"
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{
"status": "affected",
"version": "9.12.4.38"
},
{
"status": "affected",
"version": "9.8.4.43"
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{
"status": "affected",
"version": "9.14.4"
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{
"status": "affected",
"version": "9.16.2.14"
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{
"status": "affected",
"version": "9.17.1.7"
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{
"status": "affected",
"version": "9.12.4.40"
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{
"status": "affected",
"version": "9.16.3.3"
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{
"status": "affected",
"version": "9.14.4.6"
},
{
"status": "affected",
"version": "9.16.3"
},
{
"status": "affected",
"version": "9.16.3.14"
},
{
"status": "affected",
"version": "9.17.1.9"
},
{
"status": "affected",
"version": "9.14.4.7"
},
{
"status": "affected",
"version": "9.12.4.41"
},
{
"status": "affected",
"version": "9.17.1.10"
},
{
"status": "affected",
"version": "9.8.4.44"
},
{
"status": "affected",
"version": "9.18.1"
},
{
"status": "affected",
"version": "9.12.4.47"
},
{
"status": "affected",
"version": "9.14.4.12"
},
{
"status": "affected",
"version": "9.16.3.15"
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{
"status": "affected",
"version": "9.18.1.3"
},
{
"status": "affected",
"version": "9.17.1.11"
},
{
"status": "affected",
"version": "9.12.4.48"
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{
"status": "affected",
"version": "9.14.4.13"
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{
"status": "affected",
"version": "9.18.2"
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{
"status": "affected",
"version": "9.16.3.19"
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{
"status": "affected",
"version": "9.17.1.13"
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{
"status": "affected",
"version": "9.12.4.50"
},
{
"status": "affected",
"version": "9.14.4.14"
},
{
"status": "affected",
"version": "9.17.1.15"
},
{
"status": "affected",
"version": "9.8.4.45"
},
{
"status": "affected",
"version": "9.12.4.52"
},
{
"status": "affected",
"version": "9.14.4.15"
},
{
"status": "affected",
"version": "9.16.3.23"
},
{
"status": "affected",
"version": "9.18.2.5"
},
{
"status": "affected",
"version": "9.16.4"
},
{
"status": "affected",
"version": "9.12.4.54"
},
{
"status": "affected",
"version": "9.14.4.17"
},
{
"status": "affected",
"version": "9.8.4.46"
},
{
"status": "affected",
"version": "9.17.1.20"
},
{
"status": "affected",
"version": "9.18.2.7"
},
{
"status": "affected",
"version": "9.19.1"
},
{
"status": "affected",
"version": "9.16.4.9"
},
{
"status": "affected",
"version": "9.12.4.55"
},
{
"status": "affected",
"version": "9.18.2.8"
},
{
"status": "affected",
"version": "9.14.4.22"
},
{
"status": "affected",
"version": "9.16.4.14"
},
{
"status": "affected",
"version": "9.8.4.48"
},
{
"status": "affected",
"version": "9.18.3"
},
{
"status": "affected",
"version": "9.19.1.5"
},
{
"status": "affected",
"version": "9.14.4.23"
},
{
"status": "affected",
"version": "9.12.4.56"
},
{
"status": "affected",
"version": "9.16.4.18"
},
{
"status": "affected",
"version": "9.17.1.30"
},
{
"status": "affected",
"version": "9.19.1.9"
},
{
"status": "affected",
"version": "9.18.3.39"
},
{
"status": "affected",
"version": "9.16.4.19"
},
{
"status": "affected",
"version": "9.12.4.58"
},
{
"status": "affected",
"version": "9.19.1.12"
},
{
"status": "affected",
"version": "9.18.3.46"
},
{
"status": "affected",
"version": "9.16.4.27"
},
{
"status": "affected",
"version": "9.19.1.18"
},
{
"status": "affected",
"version": "9.18.3.53"
},
{
"status": "affected",
"version": "9.18.3.55"
},
{
"status": "affected",
"version": "9.16.4.38"
},
{
"status": "affected",
"version": "9.17.1.33"
},
{
"status": "affected",
"version": "9.12.4.62"
},
{
"status": "affected",
"version": "9.16.4.39"
},
{
"status": "affected",
"version": "9.18.3.56"
},
{
"status": "affected",
"version": "9.20.1"
},
{
"status": "affected",
"version": "9.16.4.42"
},
{
"status": "affected",
"version": "9.19.1.22"
},
{
"status": "affected",
"version": "9.18.4"
},
{
"status": "affected",
"version": "9.20.1.5"
},
{
"status": "affected",
"version": "9.18.4.5"
},
{
"status": "affected",
"version": "9.19.1.24"
},
{
"status": "affected",
"version": "9.16.4.48"
},
{
"status": "affected",
"version": "9.18.4.8"
},
{
"status": "affected",
"version": "9.20.2"
},
{
"status": "affected",
"version": "9.19.1.27"
},
{
"status": "affected",
"version": "9.12.4.65"
},
{
"status": "affected",
"version": "9.16.4.55"
},
{
"status": "affected",
"version": "9.18.4.22"
},
{
"status": "affected",
"version": "9.20.2.10"
},
{
"status": "affected",
"version": "9.16.4.57"
},
{
"status": "affected",
"version": "9.19.1.28"
},
{
"status": "affected",
"version": "9.17.1.39"
},
{
"status": "affected",
"version": "9.12.4.67"
},
{
"status": "affected",
"version": "9.14.4.24"
},
{
"status": "affected",
"version": "9.18.4.24"
},
{
"status": "affected",
"version": "9.20.2.21"
},
{
"status": "affected",
"version": "9.16.4.61"
},
{
"status": "affected",
"version": "9.19.1.31"
},
{
"status": "affected",
"version": "9.18.4.29"
},
{
"status": "affected",
"version": "9.20.2.22"
},
{
"status": "affected",
"version": "9.16.4.62"
},
{
"status": "affected",
"version": "9.18.4.34"
},
{
"status": "affected",
"version": "9.20.3"
},
{
"status": "affected",
"version": "9.16.4.67"
},
{
"status": "affected",
"version": "9.16.4.70"
},
{
"status": "affected",
"version": "9.18.4.40"
},
{
"status": "affected",
"version": "9.23.1"
},
{
"status": "affected",
"version": "9.22.1.1"
},
{
"status": "affected",
"version": "9.16.4.71"
},
{
"status": "affected",
"version": "9.20.3.4"
},
{
"status": "affected",
"version": "9.18.4.47"
},
{
"status": "affected",
"version": "9.20.3.7"
},
{
"status": "affected",
"version": "9.17.1.45"
},
{
"status": "affected",
"version": "9.19.1.37"
},
{
"status": "affected",
"version": "9.17.1.46"
},
{
"status": "affected",
"version": "9.16.4.76"
},
{
"status": "affected",
"version": "9.20.3.9"
},
{
"status": "affected",
"version": "9.19.1.38"
},
{
"status": "affected",
"version": "9.18.4.50"
},
{
"status": "affected",
"version": "9.22.1.3"
},
{
"status": "affected",
"version": "9.20.3.10"
},
{
"status": "affected",
"version": "9.22.1.2"
},
{
"status": "affected",
"version": "9.18.4.52"
},
{
"status": "affected",
"version": "9.20.3.13"
},
{
"status": "affected",
"version": "9.22.1.6"
},
{
"status": "affected",
"version": "9.18.4.53"
},
{
"status": "affected",
"version": "9.16.4.82"
}
]
},
{
"defaultStatus": "unknown",
"product": "Cisco Firepower Threat Defense Software",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "6.2.3.14"
},
{
"status": "affected",
"version": "6.4.0.1"
},
{
"status": "affected",
"version": "6.2.3.7"
},
{
"status": "affected",
"version": "6.2.3"
},
{
"status": "affected",
"version": "6.4.0.2"
},
{
"status": "affected",
"version": "6.2.3.9"
},
{
"status": "affected",
"version": "6.2.3.1"
},
{
"status": "affected",
"version": "6.2.3.2"
},
{
"status": "affected",
"version": "6.4.0.5"
},
{
"status": "affected",
"version": "6.2.3.10"
},
{
"status": "affected",
"version": "6.4.0"
},
{
"status": "affected",
"version": "6.4.0.3"
},
{
"status": "affected",
"version": "6.2.3.6"
},
{
"status": "affected",
"version": "6.4.0.4"
},
{
"status": "affected",
"version": "6.2.3.15"
},
{
"status": "affected",
"version": "6.2.3.5"
},
{
"status": "affected",
"version": "6.2.3.4"
},
{
"status": "affected",
"version": "6.2.3.3"
},
{
"status": "affected",
"version": "6.2.3.8"
},
{
"status": "affected",
"version": "6.4.0.6"
},
{
"status": "affected",
"version": "6.2.3.11"
},
{
"status": "affected",
"version": "6.2.3.12"
},
{
"status": "affected",
"version": "6.2.3.13"
},
{
"status": "affected",
"version": "6.4.0.7"
},
{
"status": "affected",
"version": "6.4.0.8"
},
{
"status": "affected",
"version": "6.6.0"
},
{
"status": "affected",
"version": "6.4.0.9"
},
{
"status": "affected",
"version": "6.2.3.16"
},
{
"status": "affected",
"version": "6.6.0.1"
},
{
"status": "affected",
"version": "6.6.1"
},
{
"status": "affected",
"version": "6.4.0.10"
},
{
"status": "affected",
"version": "6.4.0.11"
},
{
"status": "affected",
"version": "6.6.3"
},
{
"status": "affected",
"version": "6.6.4"
},
{
"status": "affected",
"version": "6.4.0.12"
},
{
"status": "affected",
"version": "7.0.0"
},
{
"status": "affected",
"version": "6.2.3.17"
},
{
"status": "affected",
"version": "7.0.0.1"
},
{
"status": "affected",
"version": "6.6.5"
},
{
"status": "affected",
"version": "7.0.1"
},
{
"status": "affected",
"version": "7.1.0"
},
{
"status": "affected",
"version": "6.4.0.13"
},
{
"status": "affected",
"version": "6.6.5.1"
},
{
"status": "affected",
"version": "6.2.3.18"
},
{
"status": "affected",
"version": "7.0.1.1"
},
{
"status": "affected",
"version": "6.4.0.14"
},
{
"status": "affected",
"version": "7.1.0.1"
},
{
"status": "affected",
"version": "6.6.5.2"
},
{
"status": "affected",
"version": "7.0.2"
},
{
"status": "affected",
"version": "6.4.0.15"
},
{
"status": "affected",
"version": "7.2.0"
},
{
"status": "affected",
"version": "7.0.2.1"
},
{
"status": "affected",
"version": "7.0.3"
},
{
"status": "affected",
"version": "6.6.7"
},
{
"status": "affected",
"version": "7.1.0.2"
},
{
"status": "affected",
"version": "7.2.0.1"
},
{
"status": "affected",
"version": "7.0.4"
},
{
"status": "affected",
"version": "7.2.1"
},
{
"status": "affected",
"version": "7.0.5"
},
{
"status": "affected",
"version": "6.4.0.16"
},
{
"status": "affected",
"version": "7.3.0"
},
{
"status": "affected",
"version": "7.2.2"
},
{
"status": "affected",
"version": "7.2.3"
},
{
"status": "affected",
"version": "6.6.7.1"
},
{
"status": "affected",
"version": "7.3.1"
},
{
"status": "affected",
"version": "7.1.0.3"
},
{
"status": "affected",
"version": "7.2.4"
},
{
"status": "affected",
"version": "7.0.6"
},
{
"status": "affected",
"version": "7.2.5"
},
{
"status": "affected",
"version": "7.2.4.1"
},
{
"status": "affected",
"version": "7.3.1.1"
},
{
"status": "affected",
"version": "7.4.0"
},
{
"status": "affected",
"version": "6.4.0.17"
},
{
"status": "affected",
"version": "7.0.6.1"
},
{
"status": "affected",
"version": "7.2.5.1"
},
{
"status": "affected",
"version": "7.4.1"
},
{
"status": "affected",
"version": "7.2.6"
},
{
"status": "affected",
"version": "7.0.6.2"
},
{
"status": "affected",
"version": "7.4.1.1"
},
{
"status": "affected",
"version": "6.6.7.2"
},
{
"status": "affected",
"version": "6.4.0.18"
},
{
"status": "affected",
"version": "7.2.7"
},
{
"status": "affected",
"version": "7.2.5.2"
},
{
"status": "affected",
"version": "7.3.1.2"
},
{
"status": "affected",
"version": "7.2.8"
},
{
"status": "affected",
"version": "7.6.0"
},
{
"status": "affected",
"version": "7.4.2"
},
{
"status": "affected",
"version": "7.2.8.1"
},
{
"status": "affected",
"version": "7.0.6.3"
},
{
"status": "affected",
"version": "7.4.2.1"
},
{
"status": "affected",
"version": "7.2.9"
},
{
"status": "affected",
"version": "7.0.7"
},
{
"status": "affected",
"version": "7.7.0"
},
{
"status": "affected",
"version": "7.4.2.2"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the management and VPN web servers of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a DoS condition.\r\n\r\nThis vulnerability is due to improper validation of user-supplied input on an interface with VPN web services. An attacker could exploit this vulnerability by sending crafted HTTP requests to a targeted web server on an affected device. A successful exploit could allow the attacker to cause a DoS condition when the device reloads."
}
],
"exploits": [
{
"lang": "en",
"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."
}
],
"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-835",
"description": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-08-14T16:29:21.309Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-asaftd-vpn-dos-mfPekA6e",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-vpn-dos-mfPekA6e"
}
],
"source": {
"advisory": "cisco-sa-asaftd-vpn-dos-mfPekA6e",
"defects": [
"CSCwo15027"
],
"discovery": "INTERNAL"
},
"title": "Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2025-20243",
"datePublished": "2025-08-14T16:29:21.309Z",
"dateReserved": "2024-10-10T19:15:13.238Z",
"dateUpdated": "2025-08-14T19:19:56.383Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Loading…
Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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