CVE-2025-20182
HIGHDescription
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.
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CVSS v3.1 Score
8.6
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Weakness Type (CWE)
CWE-787
Out-of-bounds Write
Affected Products
| Vendor | Product |
|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| cisco | adaptive_security_appliance_software |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
| cisco | firepower_threat_defense |
References
Frequently Asked Questions
What is CVE-2025-20182? +
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. It has a CVSS v3.1 base score of 8.6 (HIGH).
How severe is CVE-2025-20182? +
CVE-2025-20182 has a CVSS v3.1 score of 8.6 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2025-20182? +
CVE-2025-20182 affects products from cisco, specifically: adaptive_security_appliance_software, firepower_threat_defense. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-20182? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.
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