CVE-2022-20816

Cisco Unified Communications Manager Arbitrary File Deletion Vulnerability

Severity Score

8.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

A vulnerability in the web-based management interface of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to delete arbitrary files from an affected system. This vulnerability exists because the affected software does not properly validate HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected software. A successful exploit could allow the attacker to delete arbitrary files from the affected system.

Una vulnerabilidad en la interfaz de administración basada en la web de Cisco Unified Communications Manager (Unified CM) y Cisco Unified Communications Manager Session Management Edition (Unified CM SME) podría permitir a un atacante remoto autenticado eliminar archivos arbitrarios de un sistema afectado. Esta vulnerabilidad se presenta porque el software afectado no comprueba apropiadamente las peticiones HTTP. Un atacante podría aprovechar esta vulnerabilidad mediante el envío de una petición HTTP diseñada al software afectado. Una explotación con éxito podría permitir al atacante eliminar archivos arbitrarios del sistema afectado

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2021-11-02 CVE Reserved
2022-08-10 CVE Published
2024-02-24 EPSS Updated
2024-11-01 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-file-delete-N2VPmOnE	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"		Unified Communications Manager Search vendor "Cisco" for product "Unified Communications Manager"				>= 11.5\(1\) < 14su2 Search vendor "Cisco" for product "Unified Communications Manager" and version " >= 11.5\(1\) < 14su2"		-		Affected
Cisco Search vendor "Cisco"		Unified Communications Manager Search vendor "Cisco" for product "Unified Communications Manager"				>= 11.5\(1\) < 14su2 Search vendor "Cisco" for product "Unified Communications Manager" and version " >= 11.5\(1\) < 14su2"		session_management		Affected