Is CVE-2025-20182 being actively exploited?

CVE-2025-20182 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2025-20182?

CVE-2025-20182 has a CVSS 3.1 base score of 8.6 (HIGH).

CVE-2025-20182

HIGH · CVSS 8.6EPSS 0.6%EU EUVD

A vulnerability in the Internet Key Exchange version 2 (IKEv2) protocol processing of Cisco Adaptive Security Appliance (ASA) Software, Cisco Firepower Threat Defense (FTD) Software, Cisco IOS Software, and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient input validation when processing IKEv2 messages. An attacker could exploit this vulnerability by sending crafted IKEv2 traffic to an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition on the affected device.

Key facts

CVSS score: 8.6 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Weakness (CWE): CWE-787
EPSS score: 0.6% (45th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2025-13923)
Published: May 7, 2025
NVD last modified: August 11, 2026
Status: Analyzed

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2025-13923 in the EU Vulnerability Database. Last updated in EUVD on May 7, 2025.

View on the EU Vulnerability Database

Affected products

cisco / adaptive security appliance software
cisco / adaptive security appliance software
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cisco / adaptive security appliance software
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cisco / adaptive security appliance software
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cisco / adaptive security appliance software
cisco / adaptive security appliance software
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cisco / adaptive security appliance software
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cisco / adaptive security appliance software
cisco / adaptive security appliance software
cisco / adaptive security appliance software
cisco / adaptive security appliance software
cisco / adaptive security appliance software
cisco / adaptive security appliance software
cisco / adaptive security appliance software
cisco / adaptive security appliance software
cisco / adaptive security appliance software
cisco / adaptive security appliance software
cisco / adaptive security appliance software
cisco / adaptive security appliance software

and 229 more…

Certified products that may be affected

2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Cisco Secure Firewall Threat Defense (FTD) 7.4 with Secure Firewall Management Center (FMC) 7.4 and Secure Client 5.1 - Cisco Systems, Inc. - Common Criteria NSCIB-CC-2400046-01-CR - active
Cisco Secure Firewall Threat Defense Virtual 7.4 with FMC/FMCv - Cisco Systems, Inc. - Common Criteria CCEVS-VR-VID-11510-2025 - active

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-multiprod-ikev2-dos-gPctUqv2(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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