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CVE-2023-20266

Published: Aug 30, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-347
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.4%
Top 71.9%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available

Description

A vulnerability in Cisco Emergency Responder, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager Session Management Edition (Unified CM SME), and Cisco Unity Connection could allow an authenticated, remote attacker to elevate privileges to root on an affected device. This vulnerability exists because the application does not properly restrict the files that are being used for upgrades. An attacker could exploit this vulnerability by providing a crafted upgrade file. A successful exploit could allow the attacker to elevate privileges to root. To exploit this vulnerability, the attacker must have valid platform administrator credentials on an affected device.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-347CWE-269

Affected Products

Cisco Emergency ResponderCisco
On-prem
Networking Infrastructure / router-switch
Cisco Unity ConnectionCisco
On-premWeb App
Communications / voip-telephony
Cisco Unified Communications ManagerCisco
On-prem
Communications / voip-telephony
Cisco Emergency ResponderCisco Systems Inc.
On-prem
Networking Infrastructure / router-switch
Cisco Unified Communications ManagerCisco Systems Inc.
On-prem
Communications / voip-telephony
ciscocommercialUSNetworking Infrastructureaka cisco systems, cisco systems inc.
cisco systems inc.commercialUSNetworking Infrastructureaka cisco systems, cisco
and 5 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Privilege Escalation
View detailed technique mapping

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-priv-esc-D8Bky5eg
sec.cloudapps.cisco.com
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-priv-esc-D8Bky5eg
sec.cloudapps.cisco.com
https://www.cybersecurity-help.cz/vdb/SB2023083111
cybersecurity-help.cz
and 1 more references View all →

Timeline

Published
Aug 30, 2023
Last Updated
Nov 21, 2024

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