Detections
Analytics
Cisco APIC Remote Code Execution Vulnerability (regreSSHion) (cisco cisco-sa-openssh-rce-2024)
high Nessus Plugin ID 312159
Synopsis
The remote device is missing a vendor-supplied security patch.Description
According to its self-reported version, Cisco Application Policy Infrastructure Controller is affected by a vulnerability.- A remote code execution vulnerability exists in Cisco Application Policy Infrastructure Controller due to a signal handler race condition found in sshd, where a client does not authenticate within LoginGraceTime seconds, after which the sshd SIGALRM handler is called asynchronously. An unauthenticated, remote attacker can exploit this to call various functions that are not async-signal-safe with root privileges. (CVE-2024-6387)
Please see the included Cisco BIDs and Cisco Security Advisory for more information.
Solution
Upgrade to the relevant fixed version referenced in Cisco bug ID CSCwk62256See Also
Plugin Details
Severity: High
ID: 312159
File Name: cisco-sa-openssh-rce-2024-apic.nasl
Version: 1.2
Type: Remote
Family: CISCO
Published: 5/5/2026
Updated: 5/6/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.0
CVSS v2
Risk Factor: High
Base Score: 7.6
Temporal Score: 6
Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2024-6387
CVSS v3
Risk Factor: High
Base Score: 8.1
Temporal Score: 7.3
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: cpe:/a:cisco:application_policy_infrastructure_controller
Required KB Items: installed_sw/Cisco APIC Software
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 7/1/2024
Vulnerability Publication Date: 7/1/2024
Reference Information
CVE: CVE-2024-6387