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7.5

IKE Protocol Denial of Service Vulnerability in Cisco ASA

CVE-2022-38036 · published 4 years ago
Summary

A weakness in the Internet Key Exchange (IKE) protocol used by Cisco ASA firewalls could allow an attacker to crash the device. This could lead to a disruption of network services. Cisco is working on a patch to fix the issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
microsoft windows_11 All versions
cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*
microsoft windows_server_2022 All versions
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*
Original advisory text
Internet Key Exchange (IKE) Protocol Denial of Service Vulnerability
Internet Key Exchange (IKE) Protocol Denial of Service Vulnerability
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
7.5 High
Exploitation
3% chance of attack within 30 days
Timeline
Published11 Oct 2022
Updated28 Oct 2026
First seen7 Mar 2026
Sources
CVE-2022-38036 · NVD
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