CVE-2024-20492

MEDIUM EPSS 41.9%
Published Oct 2, 20241y ago · Modified Jun 17, 20262w ago
6.7 CVSS 3.1
Medium
Find Similar
Published Oct 2, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

Description

A vulnerability in the restricted shell of Cisco Expressway Series could allow an authenticated, local attacker to perform command injection attacks on the underlying operating system and elevate privileges to root. To exploit this vulnerability, the attacker must have Administrator-level credentials with read-write privileges on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by submitting a series of crafted CLI commands. A successful exploit could allow the attacker to escape the restricted shell and gain root privileges on the underlying operating system of the affected device. Note: Cisco Expressway Series refers to Cisco Expressway Control (Expressway-C) devices and Cisco Expressway Edge (Expressway-E) devices.

CVSS Details

Base Score
6.7
Exploitability
0.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
41.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-77 Command Injection Injection

Affected Products 79

VendorProductVersionRange
ciscotelepresence_video_communication_serverx8.1any
ciscotelepresence_video_communication_serverx8.1.1any
ciscotelepresence_video_communication_serverx8.1.2any
ciscotelepresence_video_communication_serverx8.2any
ciscotelepresence_video_communication_serverx8.2.1any
ciscotelepresence_video_communication_serverx8.2.2any
ciscotelepresence_video_communication_serverx8.5any
ciscotelepresence_video_communication_serverx8.5.1any
ciscotelepresence_video_communication_serverx8.5.2any
ciscotelepresence_video_communication_serverx8.5.3any
ciscotelepresence_video_communication_serverx8.6any
ciscotelepresence_video_communication_serverx8.6.1any
ciscotelepresence_video_communication_serverx8.7any
ciscotelepresence_video_communication_serverx8.7.1any
ciscotelepresence_video_communication_serverx8.7.2any
ciscotelepresence_video_communication_serverx8.7.3any
ciscotelepresence_video_communication_serverx8.8any
ciscotelepresence_video_communication_serverx8.8.1any
ciscotelepresence_video_communication_serverx8.8.2any
ciscotelepresence_video_communication_serverx8.8.3any
ciscotelepresence_video_communication_serverx8.9any
ciscotelepresence_video_communication_serverx8.9.1any
ciscotelepresence_video_communication_serverx8.9.2any
ciscotelepresence_video_communication_serverx8.10.0any
ciscotelepresence_video_communication_serverx8.10.1any
ciscotelepresence_video_communication_serverx8.10.2any
ciscotelepresence_video_communication_serverx8.10.3any
ciscotelepresence_video_communication_serverx8.10.4any
ciscotelepresence_video_communication_serverx8.11.0any
ciscotelepresence_video_communication_serverx8.11.1any
ciscotelepresence_video_communication_serverx8.11.2any
ciscotelepresence_video_communication_serverx8.11.3any
ciscotelepresence_video_communication_serverx8.11.4any
ciscotelepresence_video_communication_serverx12.5.0any
ciscotelepresence_video_communication_serverx12.5.1any
ciscotelepresence_video_communication_serverx12.5.2any
ciscotelepresence_video_communication_serverx12.5.3any
ciscotelepresence_video_communication_serverx12.5.4any
ciscotelepresence_video_communication_serverx12.5.5any
ciscotelepresence_video_communication_serverx12.5.6any
ciscotelepresence_video_communication_serverx12.5.7any
ciscotelepresence_video_communication_serverx12.5.8any
ciscotelepresence_video_communication_serverx12.5.9any
ciscotelepresence_video_communication_serverx12.6.0any
ciscotelepresence_video_communication_serverx12.6.1any
ciscotelepresence_video_communication_serverx12.6.2any
ciscotelepresence_video_communication_serverx12.6.3any
ciscotelepresence_video_communication_serverx12.6.4any
ciscotelepresence_video_communication_serverx12.7.0any
ciscotelepresence_video_communication_serverx12.7.1any
ciscotelepresence_video_communication_serverx14.0.0any
ciscotelepresence_video_communication_serverx14.0.1any
ciscotelepresence_video_communication_serverx14.0.2any
ciscotelepresence_video_communication_serverx14.0.3any
ciscotelepresence_video_communication_serverx14.0.4any
ciscotelepresence_video_communication_serverx14.0.5any
ciscotelepresence_video_communication_serverx14.0.6any
ciscotelepresence_video_communication_serverx14.0.7any
ciscotelepresence_video_communication_serverx14.0.8any
ciscotelepresence_video_communication_serverx14.0.9any
ciscotelepresence_video_communication_serverx14.0.10any
ciscotelepresence_video_communication_serverx14.0.11any
ciscotelepresence_video_communication_serverx14.2.0any
ciscotelepresence_video_communication_serverx14.2.1any
ciscotelepresence_video_communication_serverx14.2.2any
ciscotelepresence_video_communication_serverx14.2.5any
ciscotelepresence_video_communication_serverx14.2.6any
ciscotelepresence_video_communication_serverx14.2.7any
ciscotelepresence_video_communication_serverx14.3.0any
ciscotelepresence_video_communication_serverx14.3.1any
ciscotelepresence_video_communication_serverx14.3.2any
ciscotelepresence_video_communication_serverx14.3.3any
ciscotelepresence_video_communication_serverx14.3.4any
ciscotelepresence_video_communication_serverx14.3.5any
ciscotelepresence_video_communication_serverx14.3.6any
ciscotelepresence_video_communication_serverx15.0.0any
ciscotelepresence_video_communication_serverx15.0.1any
ciscotelepresence_video_communication_serverx15.0.2any
ciscotelepresence_video_communication_serverx15.0.3any

References 1

  • sec.cloudapps.cisco.com https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-expw-escalation-3bkz77bD
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.