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7.8

Cisco Aironet 1800 may freeze from excess SSH logins

CVE-2015-6367 · published 10 years ago
Summary

Aironet 1800 access points running software version 8.1(131.0) can be overloaded when an attacker opens many SSH connections at once, causing the device's CPU to max out and stop responding. This makes the wireless network unavailable until the device is rebooted. Apply the latest software update from Cisco or restrict SSH access to trusted hosts to prevent 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
cisco aironet_access_point_software 8.1\(131.0\)
cpe:2.3:o:cisco:aironet_access_point_software:8.1\(131.0\):*:*:*:*:*:*:*
Original advisory text
Cisco Aironet 1800 devices with software 8.1(131.0) allow remote attackers to cause a denial of service (CPU consumption) by improperly establishing many SSHv2 connections, aka Bug ID CSCux13374.
Cisco Aironet 1800 devices with software 8.1(131.0) allow remote attackers to cause a denial of service (CPU consumption) by improperly establishing many SSHv2 connections, aka Bug ID CSCux13374.
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
7.8 High
Exploitation
2% chance of attack within 30 days
Type
CWE-399Resource Management Errors
Timeline
Published14 Nov 2015
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2015-6367 · NVD
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