Vulnslist

Cisco vulnerabilities by product, model, software, and advisory.

Cisco IOS XE Software Internet Key Exchange Version 1 Denial of Service Vulnerability

cisco-sa-iosxe-ikev1-dos-XHk3HzFC · High · Published · Updated

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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-ikev1-dos-XHk3HzFC This advisory is part of the May 2025 release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: May 2025 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication.

Cisco advisory · CSAF JSON

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2025-20192
Cisco Bug IDsCSCwi26594
CVSS ScoreBase 7.7
Base 7.7 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:X/RL:X/RC:X
Product Names From Source
Cisco IOS XE Software 3.13.0S, Cisco IOS XE Software 3.13.1S, Cisco IOS XE Software 3.13.2S, Cisco IOS XE Software 3.13.3S, Cisco IOS XE Software 3.13.4S, Cisco IOS XE Software 3.13.5S, Cisco IOS XE Software 3.13.6S, Cisco IOS XE Software 3.13.7S, Cisco IOS XE Software 3.13.6aS, Cisco IOS XE Software 3.13.8S, Cisco IOS XE Software 3.13.9S, Cisco IOS XE Software 3.13.10S, Cisco IOS XE Software 3.14.0S, Cisco IOS XE Software 3.14.1S, Cisco IOS XE Software 3.14.2S, Cisco IOS XE Software 3.14.3S, Cisco IOS XE Software 3.14.4S, Cisco IOS XE Software 3.15.0S, Cisco IOS XE Software 3.15.1S, Cisco IOS XE Software 3.15.2S, Cisco IOS XE Software 3.15.1cS, Cisco IOS XE Software 3.15.3S, Cisco IOS XE Software 3.15.4S, Cisco IOS XE Software 3.16.0S, Cisco IOS XE Software 3.16.1aS, Cisco IOS XE Software 3.16.2S, Cisco IOS XE Software 3.16.0cS, Cisco IOS XE Software 3.16.3S, Cisco IOS XE Software 3.16.4aS, Cisco IOS XE Software 3.16.4bS, Cisco IOS XE Software 3.16.4gS, Cisco IOS XE Software 3.16.5S, Cisco IOS XE Software 3.16.4cS, Cisco IOS XE Software 3.16.4dS, Cisco IOS XE Software 3.16.4eS, Cisco IOS XE Software 3.16.6S, Cisco IOS XE Software 3.16.5aS, Cisco IOS XE Software 3.16.5bS, Cisco IOS XE Software 3.16.7S, Cisco IOS XE Software 3.16.6bS, Cisco IOS XE Software 3.16.7aS, Cisco IOS XE Software 3.16.7bS, Cisco IOS XE Software 3.16.8S, Cisco IOS XE Software 3.16.9S, Cisco IOS XE Software 3.16.10S, Cisco IOS XE Software 3.17.0S, Cisco IOS XE Software 3.17.1S, Cisco IOS XE Software 3.17.2S, Cisco IOS XE Software 3.17.3S, Cisco IOS XE Software 3.17.4S, Cisco IOS XE Software 16.2.1, Cisco IOS XE Software 16.2.2, Cisco IOS XE Software 16.3.1, Cisco IOS XE Software 16.3.2, Cisco IOS XE Software 16.3.3, Cisco IOS XE Software 16.3.1a, Cisco IOS XE Software 16.3.4, Cisco IOS XE Software 16.3.5, Cisco IOS XE Software 16.3.6, Cisco IOS XE Software 16.3.7, Cisco IOS XE Software 16.3.8, Cisco IOS XE Software 16.3.9, Cisco IOS XE Software 16.3.10, Cisco IOS XE Software 16.3.11, Cisco IOS XE Software 16.4.1, Cisco IOS XE Software 16.4.2, Cisco IOS XE Software 16.4.3, Cisco IOS XE Software 16.5.1, Cisco IOS XE Software 16.5.1b, Cisco IOS XE Software 16.5.2, Cisco IOS XE Software 16.5.3, Cisco IOS XE Software 3.18.2aSP, Cisco IOS XE Software 16.6.1, Cisco IOS XE Software 16.6.2, Cisco IOS XE Software 16.6.3, Cisco IOS XE Software 16.6.4, Cisco IOS XE Software 16.6.5, Cisco IOS XE Software 16.6.4s, Cisco IOS XE Software 16.6.6, Cisco IOS XE Software 16.6.7, Cisco IOS XE Software 16.6.8, Cisco IOS XE Software 16.6.9, Cisco IOS XE Software 16.6.10, Cisco IOS XE Software 16.7.1, Cisco IOS XE Software 16.7.2, Cisco IOS XE Software 16.7.3, Cisco IOS XE Software 16.8.1, Cisco IOS XE Software 16.8.1s, Cisco IOS XE Software 16.8.2, Cisco IOS XE Software 16.8.3, Cisco IOS XE Software 16.9.1, Cisco IOS XE Software 16.9.2, Cisco IOS XE Software 16.9.1s, Cisco IOS XE Software 16.9.3, Cisco IOS XE Software 16.9.2s, Cisco IOS XE Software 16.9.4, Cisco IOS XE Software 16.9.3s, Cisco IOS XE Software 16.9.5, Cisco IOS XE Software 16.9.6, Cisco IOS XE Software 16.9.7, Cisco IOS XE Software 16.9.8, Cisco IOS XE Software 16.9.8a, Cisco IOS XE Software 16.10.1, Cisco IOS XE Software 16.10.1a, Cisco IOS XE Software 16.10.1b, Cisco IOS XE Software 16.10.1s, Cisco IOS XE Software 16.10.1e, Cisco IOS XE Software 16.10.2, Cisco IOS XE Software 16.10.3, Cisco IOS XE Software 16.11.1, Cisco IOS XE Software 16.11.1a, Cisco IOS XE Software 16.11.2, Cisco IOS XE Software 16.11.1s, Cisco IOS XE Software 16.11.1c, Cisco IOS XE Software 16.12.1, Cisco IOS XE Software 16.12.1s, Cisco IOS XE Software 16.12.1a, Cisco IOS XE Software 16.12.1c, Cisco IOS XE Software 16.12.2, Cisco IOS XE Software 16.12.3, Cisco IOS XE Software 16.12.8, Cisco IOS XE Software 16.12.2s, Cisco IOS XE Software 16.12.2t, Cisco IOS XE Software 16.12.4, Cisco IOS XE Software 16.12.3s, Cisco IOS XE Software 16.12.5, Cisco IOS XE Software 16.12.6, Cisco IOS XE Software 16.12.7, Cisco IOS XE Software 17.1.1, Cisco IOS XE Software 17.1.1s, Cisco IOS XE Software 17.1.2, Cisco IOS XE Software 17.1.1t, Cisco IOS XE Software 17.1.3, Cisco IOS XE Software 17.2.1, Cisco IOS XE Software 17.2.1r, Cisco IOS XE Software 17.2.1v, Cisco IOS XE Software 17.2.2, Cisco IOS XE Software 17.2.3, Cisco IOS XE Software 17.3.1, Cisco IOS XE Software 17.3.2, Cisco IOS XE Software 17.3.3, Cisco IOS XE Software 17.3.1a, Cisco IOS XE Software 17.3.4, Cisco IOS XE Software 17.3.5, Cisco IOS XE Software 17.3.4a, Cisco IOS XE Software 17.3.6, Cisco IOS XE Software 17.3.7, Cisco IOS XE Software 17.3.8, Cisco IOS XE Software 17.3.8a, Cisco IOS XE Software 17.4.1, Cisco IOS XE Software 17.4.2, Cisco IOS XE Software 17.4.1a, Cisco IOS XE Software 17.4.1b, Cisco IOS XE Software 17.5.1, Cisco IOS XE Software 17.5.1a, Cisco IOS XE Software 17.5.1b, Cisco IOS XE Software 17.5.1c, Cisco IOS XE Software 17.6.1, Cisco IOS XE Software 17.6.2, Cisco IOS XE Software 17.6.1a, Cisco IOS XE Software 17.6.3, Cisco IOS XE Software 17.6.1y, Cisco IOS XE Software 17.6.3a, Cisco IOS XE Software 17.6.4, Cisco IOS XE Software 17.6.5, Cisco IOS XE Software 17.6.6, Cisco IOS XE Software 17.6.6a, Cisco IOS XE Software 17.6.5a, Cisco IOS XE Software 17.6.7, Cisco IOS XE Software 17.6.8, Cisco IOS XE Software 17.6.8a, Cisco IOS XE Software 17.7.1, Cisco IOS XE Software 17.7.1a, Cisco IOS XE Software 17.7.2, Cisco IOS XE Software 17.10.1, Cisco IOS XE Software 17.10.1a, Cisco IOS XE Software 17.8.1, Cisco IOS XE Software 17.8.1a, Cisco IOS XE Software 17.9.1, Cisco IOS XE Software 17.9.2, Cisco IOS XE Software 17.9.1a, Cisco IOS XE Software 17.9.3, Cisco IOS XE Software 17.9.2a, Cisco IOS XE Software 17.9.3a, Cisco IOS XE Software 17.9.4, Cisco IOS XE Software 17.9.5, Cisco IOS XE Software 17.9.4a, Cisco IOS XE Software 17.9.5a, Cisco IOS XE Software 17.9.5e, Cisco IOS XE Software 17.9.5f, Cisco IOS XE Software 17.11.1, Cisco IOS XE Software 17.11.1a, Cisco IOS XE Software 17.12.1, Cisco IOS XE Software 17.12.1a, Cisco IOS XE Software 17.12.2, Cisco IOS XE Software 17.12.3, Cisco IOS XE Software 17.12.3a, Cisco IOS XE Software 17.13.1, Cisco IOS XE Software 17.13.1a, Cisco IOS XE Software 17.14.1, Cisco IOS XE Software 17.14.1a, Cisco IOS, Cisco IOS XE Software

Related Products

Product CVE Evidence
Cisco IOS CVE-2025-20192 Cisco OpenVuln
Cisco IOS XE Software CVE-2025-20192 Cisco OpenVuln
Cisco Catalyst 9600 Series Switches CVE-2025-20192 Cisco OpenVuln · software-dependent
Cisco Catalyst 9500 Series Switches CVE-2025-20192 Cisco OpenVuln · software-dependent
Cisco Catalyst 9400 Series Switches CVE-2025-20192 Cisco OpenVuln · software-dependent
Cisco Catalyst 9200 Series Switches CVE-2025-20192 Cisco OpenVuln · software-dependent
Cisco Catalyst 9300 Series Switches CVE-2025-20192 Cisco OpenVuln · software-dependent