Detections
Analytics
Cisco Identity Services Engine Remote Code Execution Vulnerability (regreSSHion) (cisco-sa-openssh-rce-2024)
high Nessus Plugin ID 310134
Language:
Synopsis
The remote device is missing a vendor-supplied security patch.Description
According to its self-reported version, Cisco Identity Services Engine is affected by a vulnerability.- A remote code execution vulnerability exists in Cisco Identity Services Engine 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 CSCwk61938.See Also
Plugin Details
Severity: High
ID: 310134
File Name: cisco-sa-openssh-rce-2024-ise.nasl
Version: 1.2
Type: Local
Family: CISCO
Published: 4/24/2026
Updated: 4/27/2026
Configuration: Enable paranoid mode
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: High
Score: 8.4
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:/h:cisco:identity_services_engine, cpe:/a:cisco:identity_services_engine, cpe:/a:cisco:identity_services_engine_software
Required KB Items: Settings/ParanoidReport, Host/Cisco/ISE/version
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
CISCO-SA: cisco-sa-openssh-rce-2024
CISCO-BUG-ID: CSCwk61938