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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00205.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Cisco Cisco IOS XE Software affected
Version Status Constraints
3.13.0S affected —
3.13.1S affected —
3.13.2S affected —
3.13.3S affected —
3.13.4S affected —
3.13.5S affected —
3.13.6S affected —
3.13.7S affected —
3.13.6aS affected —
3.13.8S affected —
3.13.9S affected —
3.13.10S affected —
3.14.0S affected —
3.14.1S affected —
3.14.2S affected —
3.14.3S affected —
3.14.4S affected —
3.15.0S affected —
3.15.1S affected —
3.15.2S affected —
3.15.1cS affected —
3.15.3S affected —
3.15.4S affected —
3.16.0S affected —
3.16.1aS affected —
3.16.2S affected —
3.16.0cS affected —
3.16.3S affected —
3.16.4aS affected —
3.16.4bS affected —
3.16.5S affected —
3.16.4dS affected —
3.16.6S affected —
3.16.7S affected —
3.16.6bS affected —
3.16.7aS affected —
3.16.7bS affected —
3.16.8S affected —
3.16.9S affected —
3.16.10S affected —
3.17.0S affected —
3.17.1S affected —
3.17.2S affected —
3.17.3S affected —
3.17.4S affected —
16.2.1 affected —
16.2.2 affected —
16.3.1 affected —
16.3.2 affected —
16.3.3 affected —
16.3.1a affected —
16.3.4 affected —
16.3.5 affected —
16.3.6 affected —
16.3.7 affected —
16.3.8 affected —
16.3.9 affected —
16.3.10 affected —
16.3.11 affected —
16.4.1 affected —
16.4.2 affected —
16.4.3 affected —
16.5.1 affected —
16.5.1b affected —
16.5.2 affected —
16.5.3 affected —
3.18.2aSP affected —
16.6.1 affected —
16.6.2 affected —
16.6.3 affected —
16.6.4 affected —
16.6.5 affected —
16.6.6 affected —
16.6.7 affected —
16.6.8 affected —
16.6.9 affected —
16.6.10 affected —
16.7.1 affected —
16.7.2 affected —
16.7.3 affected —
16.8.1 affected —
16.8.1s affected —
16.8.2 affected —
16.8.3 affected —
16.9.1 affected —
16.9.2 affected —
16.9.1s affected —
16.9.3 affected —
16.9.4 affected —
16.9.5 affected —
16.9.6 affected —
16.9.7 affected —
16.9.8 affected —
16.10.1 affected —
16.10.1a affected —
16.10.1b affected —
16.10.1s affected —
16.10.1e affected —
16.10.2 affected —
16.10.3 affected —
16.11.1 affected —
16.11.1a affected —
16.11.2 affected —
16.11.1s affected —
16.12.1 affected —
16.12.1s affected —
16.12.1a affected —
16.12.1c affected —
16.12.2 affected —
16.12.3 affected —
16.12.8 affected —
16.12.2s affected —
16.12.4 affected —
16.12.3s affected —
16.12.5 affected —
16.12.6 affected —
16.12.7 affected —
17.1.1 affected —
17.1.1s affected —
17.1.1t affected —
17.1.3 affected —
17.2.1 affected —
17.2.1r affected —
17.2.1v affected —
17.2.2 affected —
17.2.3 affected —
17.3.1 affected —
17.3.2 affected —
17.3.3 affected —
17.3.1a affected —
17.3.4 affected —
17.3.5 affected —
17.3.4a affected —
17.3.6 affected —
17.3.7 affected —
17.3.8 affected —
17.3.8a affected —
17.4.1 affected —
17.4.2 affected —
17.4.1a affected —
17.4.1b affected —
17.5.1 affected —
17.5.1a affected —
17.6.1 affected —
17.6.2 affected —
17.6.1a affected —
17.6.3 affected —
17.6.1y affected —
17.6.3a affected —
17.6.4 affected —
17.6.5 affected —
17.6.6 affected —
17.6.6a affected —
17.6.5a affected —
17.6.7 affected —
17.6.8 affected —
17.6.8a affected —
17.7.1 affected —
17.7.1a affected —
17.7.2 affected —
17.10.1 affected —
17.10.1a affected —
17.8.1 affected —
17.8.1a affected —
17.9.1 affected —
17.9.2 affected —
17.9.1a affected —
17.9.3 affected —
17.9.2a affected —
17.9.3a affected —
17.9.4 affected —
17.9.5 affected —
17.9.4a affected —
17.9.5a affected —
17.9.5b affected —
17.9.5e affected —
17.9.5f affected —
17.11.1 affected —
17.11.1a affected —
17.12.1 affected —
17.12.1a affected —
17.12.2 affected —
17.12.3 affected —
17.12.2a affected —
17.12.3a affected —
17.13.1 affected —
17.13.1a affected —
17.14.1 affected —
17.14.1a affected —

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Cisco Subscribe
Ios Xe Software Subscribe

Project Subscriptions

Vendors Products
Cisco Subscribe
Ios Xe Software Subscribe
Advisories
Source ID Title
EUVD EUVD EUVD-2025-13901 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.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-ikev1-dos-XHk3HzFC cve-icon cve-icon
History

Mon, 14 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00178}

 epss

{'score': 0.00202}

Wed, 07 May 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 07 May 2025 17:45:00 +0000

Type Values Removed Values Added
Description 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.
Weaknesses CWE-232
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2025-05-07T19:43:26.883Z

Reserved: 2024-10-10T19:15:13.226Z

Link: CVE-2025-20192

cve-icon Vulnrichment

Updated: 2025-05-07T18:56:02.812Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-05-07T18:15:39.280

Modified: 2025-05-08T14:39:09.683

Link: CVE-2025-20192

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-15T08:04:38Z

Weaknesses