CVE-2025-20192

Summary

A vulnerability in the Internet Key Exchange version 1 (IKEv1) implementation of Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service (DoS) condition. The attacker must have valid IKEv1 VPN credentials to exploit this vulnerability. This vulnerability is due to improper validation of IKEv1 phase 2 parameters before the IPsec security association creation request is handed off to the hardware cryptographic accelerator of an affected device. An attacker could exploit this vulnerability by sending crafted IKEv1 messages to the affected device. A successful exploit could allow the attacker to cause the device to reload.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco IOS XE Software3.13.0Saffected
CiscoCisco IOS XE Software3.13.1Saffected
CiscoCisco IOS XE Software3.13.2Saffected
CiscoCisco IOS XE Software3.13.3Saffected
CiscoCisco IOS XE Software3.13.4Saffected
CiscoCisco IOS XE Software3.13.5Saffected
CiscoCisco IOS XE Software3.13.6Saffected
CiscoCisco IOS XE Software3.13.7Saffected
CiscoCisco IOS XE Software3.13.6aSaffected
CiscoCisco IOS XE Software3.13.8Saffected
CiscoCisco IOS XE Software3.13.9Saffected
CiscoCisco IOS XE Software3.13.10Saffected
CiscoCisco IOS XE Software3.14.0Saffected
CiscoCisco IOS XE Software3.14.1Saffected
CiscoCisco IOS XE Software3.14.2Saffected
CiscoCisco IOS XE Software3.14.3Saffected
CiscoCisco IOS XE Software3.14.4Saffected
CiscoCisco IOS XE Software3.15.0Saffected
CiscoCisco IOS XE Software3.15.1Saffected
CiscoCisco IOS XE Software3.15.2Saffected
CiscoCisco IOS XE Software3.15.1cSaffected
CiscoCisco IOS XE Software3.15.3Saffected
CiscoCisco IOS XE Software3.15.4Saffected
CiscoCisco IOS XE Software3.16.0Saffected
CiscoCisco IOS XE Software3.16.1aSaffected
CiscoCisco IOS XE Software3.16.2Saffected
CiscoCisco IOS XE Software3.16.0cSaffected
CiscoCisco IOS XE Software3.16.3Saffected
CiscoCisco IOS XE Software3.16.4aSaffected
CiscoCisco IOS XE Software3.16.4bSaffected
CiscoCisco IOS XE Software3.16.5Saffected
CiscoCisco IOS XE Software3.16.4dSaffected
CiscoCisco IOS XE Software3.16.6Saffected
CiscoCisco IOS XE Software3.16.7Saffected
CiscoCisco IOS XE Software3.16.6bSaffected
CiscoCisco IOS XE Software3.16.7aSaffected
CiscoCisco IOS XE Software3.16.7bSaffected
CiscoCisco IOS XE Software3.16.8Saffected
CiscoCisco IOS XE Software3.16.9Saffected
CiscoCisco IOS XE Software3.16.10Saffected
CiscoCisco IOS XE Software3.17.0Saffected
CiscoCisco IOS XE Software3.17.1Saffected
CiscoCisco IOS XE Software3.17.2Saffected
CiscoCisco IOS XE Software3.17.3Saffected
CiscoCisco IOS XE Software3.17.4Saffected
CiscoCisco IOS XE Software16.2.1affected
CiscoCisco IOS XE Software16.2.2affected
CiscoCisco IOS XE Software16.3.1affected
CiscoCisco IOS XE Software16.3.2affected
CiscoCisco IOS XE Software16.3.3affected
CiscoCisco IOS XE Software16.3.1aaffected
CiscoCisco IOS XE Software16.3.4affected
CiscoCisco IOS XE Software16.3.5affected
CiscoCisco IOS XE Software16.3.6affected
CiscoCisco IOS XE Software16.3.7affected
CiscoCisco IOS XE Software16.3.8affected
CiscoCisco IOS XE Software16.3.9affected
CiscoCisco IOS XE Software16.3.10affected
CiscoCisco IOS XE Software16.3.11affected
CiscoCisco IOS XE Software16.4.1affected
CiscoCisco IOS XE Software16.4.2affected
CiscoCisco IOS XE Software16.4.3affected
CiscoCisco IOS XE Software16.5.1affected
CiscoCisco IOS XE Software16.5.1baffected
CiscoCisco IOS XE Software16.5.2affected
CiscoCisco IOS XE Software16.5.3affected
CiscoCisco IOS XE Software3.18.2aSPaffected
CiscoCisco IOS XE Software16.6.1affected
CiscoCisco IOS XE Software16.6.2affected
CiscoCisco IOS XE Software16.6.3affected
CiscoCisco IOS XE Software16.6.4affected
CiscoCisco IOS XE Software16.6.5affected
CiscoCisco IOS XE Software16.6.6affected
CiscoCisco IOS XE Software16.6.7affected
CiscoCisco IOS XE Software16.6.8affected
CiscoCisco IOS XE Software16.6.9affected
CiscoCisco IOS XE Software16.6.10affected
CiscoCisco IOS XE Software16.7.1affected
CiscoCisco IOS XE Software16.7.2affected
CiscoCisco IOS XE Software16.7.3affected
CiscoCisco IOS XE Software16.8.1affected
CiscoCisco IOS XE Software16.8.1saffected
CiscoCisco IOS XE Software16.8.2affected
CiscoCisco IOS XE Software16.8.3affected
CiscoCisco IOS XE Software16.9.1affected
CiscoCisco IOS XE Software16.9.2affected
CiscoCisco IOS XE Software16.9.1saffected
CiscoCisco IOS XE Software16.9.3affected
CiscoCisco IOS XE Software16.9.4affected
CiscoCisco IOS XE Software16.9.5affected
CiscoCisco IOS XE Software16.9.6affected
CiscoCisco IOS XE Software16.9.7affected
CiscoCisco IOS XE Software16.9.8affected
CiscoCisco IOS XE Software16.10.1affected
CiscoCisco IOS XE Software16.10.1aaffected
CiscoCisco IOS XE Software16.10.1baffected
CiscoCisco IOS XE Software16.10.1saffected
CiscoCisco IOS XE Software16.10.1eaffected
CiscoCisco IOS XE Software16.10.2affected
CiscoCisco IOS XE Software16.10.3affected
CiscoCisco IOS XE Software16.11.1affected
CiscoCisco IOS XE Software16.11.1aaffected
CiscoCisco IOS XE Software16.11.2affected
CiscoCisco IOS XE Software16.11.1saffected
CiscoCisco IOS XE Software16.12.1affected
CiscoCisco IOS XE Software16.12.1saffected
CiscoCisco IOS XE Software16.12.1aaffected
CiscoCisco IOS XE Software16.12.1caffected
CiscoCisco IOS XE Software16.12.2affected
CiscoCisco IOS XE Software16.12.3affected
CiscoCisco IOS XE Software16.12.8affected
CiscoCisco IOS XE Software16.12.2saffected
CiscoCisco IOS XE Software16.12.4affected
CiscoCisco IOS XE Software16.12.3saffected
CiscoCisco IOS XE Software16.12.5affected
CiscoCisco IOS XE Software16.12.6affected
CiscoCisco IOS XE Software16.12.7affected
CiscoCisco IOS XE Software17.1.1affected
CiscoCisco IOS XE Software17.1.1saffected
CiscoCisco IOS XE Software17.1.1taffected
CiscoCisco IOS XE Software17.1.3affected
CiscoCisco IOS XE Software17.2.1affected
CiscoCisco IOS XE Software17.2.1raffected
CiscoCisco IOS XE Software17.2.1vaffected
CiscoCisco IOS XE Software17.2.2affected
CiscoCisco IOS XE Software17.2.3affected
CiscoCisco IOS XE Software17.3.1affected
CiscoCisco IOS XE Software17.3.2affected
CiscoCisco IOS XE Software17.3.3affected
CiscoCisco IOS XE Software17.3.1aaffected
CiscoCisco IOS XE Software17.3.4affected
CiscoCisco IOS XE Software17.3.5affected
CiscoCisco IOS XE Software17.3.4aaffected
CiscoCisco IOS XE Software17.3.6affected
CiscoCisco IOS XE Software17.3.7affected
CiscoCisco IOS XE Software17.3.8affected
CiscoCisco IOS XE Software17.3.8aaffected
CiscoCisco IOS XE Software17.4.1affected
CiscoCisco IOS XE Software17.4.2affected
CiscoCisco IOS XE Software17.4.1aaffected
CiscoCisco IOS XE Software17.4.1baffected
CiscoCisco IOS XE Software17.5.1affected
CiscoCisco IOS XE Software17.5.1aaffected
CiscoCisco IOS XE Software17.6.1affected
CiscoCisco IOS XE Software17.6.2affected
CiscoCisco IOS XE Software17.6.1aaffected
CiscoCisco IOS XE Software17.6.3affected
CiscoCisco IOS XE Software17.6.1yaffected
CiscoCisco IOS XE Software17.6.3aaffected
CiscoCisco IOS XE Software17.6.4affected
CiscoCisco IOS XE Software17.6.5affected
CiscoCisco IOS XE Software17.6.6affected
CiscoCisco IOS XE Software17.6.6aaffected
CiscoCisco IOS XE Software17.6.5aaffected
CiscoCisco IOS XE Software17.6.7affected
CiscoCisco IOS XE Software17.6.8affected
CiscoCisco IOS XE Software17.6.8aaffected
CiscoCisco IOS XE Software17.7.1affected
CiscoCisco IOS XE Software17.7.1aaffected
CiscoCisco IOS XE Software17.7.2affected
CiscoCisco IOS XE Software17.10.1affected
CiscoCisco IOS XE Software17.10.1aaffected
CiscoCisco IOS XE Software17.8.1affected
CiscoCisco IOS XE Software17.8.1aaffected
CiscoCisco IOS XE Software17.9.1affected
CiscoCisco IOS XE Software17.9.2affected
CiscoCisco IOS XE Software17.9.1aaffected
CiscoCisco IOS XE Software17.9.3affected
CiscoCisco IOS XE Software17.9.2aaffected
CiscoCisco IOS XE Software17.9.3aaffected
CiscoCisco IOS XE Software17.9.4affected
CiscoCisco IOS XE Software17.9.5affected
CiscoCisco IOS XE Software17.9.4aaffected
CiscoCisco IOS XE Software17.9.5aaffected
CiscoCisco IOS XE Software17.9.5baffected
CiscoCisco IOS XE Software17.9.5eaffected
CiscoCisco IOS XE Software17.9.5faffected
CiscoCisco IOS XE Software17.11.1affected
CiscoCisco IOS XE Software17.11.1aaffected
CiscoCisco IOS XE Software17.12.1affected
CiscoCisco IOS XE Software17.12.1aaffected
CiscoCisco IOS XE Software17.12.2affected
CiscoCisco IOS XE Software17.12.3affected
CiscoCisco IOS XE Software17.12.2aaffected
CiscoCisco IOS XE Software17.12.3aaffected
CiscoCisco IOS XE Software17.13.1affected
CiscoCisco IOS XE Software17.13.1aaffected
CiscoCisco IOS XE Software17.14.1affected
CiscoCisco IOS XE Software17.14.1aaffected

Weaknesses

  • CWE-232: Improper Handling of Undefined Values

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References