Vulnerability CVE-2021-1406 - CERT Civis.Net

Vulnerability Name:

CVE-2021-1406 (CCN-199525)

Assigned:

2020-11-13

Published:

2021-04-07

Updated:

2022-09-20

Summary:

A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to access sensitive information on an affected device. The vulnerability is due to improper inclusion of sensitive information in downloadable files. An attacker could exploit this vulnerability by authenticating to an affected device and issuing a specific set of commands. A successful exploit could allow the attacker to obtain hashed credentials of system users. To exploit this vulnerability an attacker would need to have valid user credentials with elevated privileges.

CVSS v3 Severity:

4.9 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N)
4.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): High User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): None Availibility (A): None

4.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N)
4.3 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): High User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): None Availibility (A): None

CVSS v2 Severity:

4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Partial Integrity (I): None Availibility (A): None

6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): None Availibility (A): None

Vulnerability Type:

Vulnerability Consequences:

Obtain Information

References:

Source: MITRE
Type: CNA
CVE-2021-1406

Source: XF
Type: UNKNOWN
cisco-cve20211406-info-disc(199525)

Source: CCN
Type: Cisco Security Advisory cisco-sa-cucm-inf-disc-wCxZNjL2
Cisco Unified Communications Manager Information Disclosure Vulnerability

Source: CISCO
Type: Vendor Advisory
20210407 Cisco Unified Communications Manager Information Disclosure Vulnerability

Vulnerable Configuration:

Configuration 1:

cpe:/a:cisco:unified_communications_manager:12.5(1):*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:12.0(1):*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:12.5(1):*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:12.0(1):*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2):*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2):*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:11.5(1):*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:11.5(1):*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su1:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su1:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su2:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su2:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su2a:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su2a:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su3:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su3:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su3a:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su3a:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su4:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su4:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su4a:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su4a:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su5:*:*:*:*:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su6:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su6:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su6a:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su6a:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su7:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su7:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su8:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su8:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su9:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su9:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su10:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:10.5(2)su10:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:11.5(1)su1:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:11.5(1)su1:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:11.5(1)su2:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:11.5(1)su2:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:11.5(1)su3:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:11.5(1)su3:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:11.5(1)su4:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:11.5(1)su4:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:11.5(1)su5:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:11.5(1)su5:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:11.5(1)su7:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:11.5(1)su7:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:11.5(1)su8:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:11.5(1)su8:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:11.5(1)su9:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:12.5(1)su1:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:12.5(1)su1:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:12.5(1)su2:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:12.5(1)su2:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:12.5(1)su3:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:12.5(1)su3:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:12.5(1)su4:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:12.5(1)su4:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:12.5(1)su5:*:*:*:-:*:*:*

OR cpe:/a:cisco:unified_communications_manager:12.5(1)su5:*:*:*:session_management:*:*:*

OR cpe:/a:cisco:unified_communications_manager:11.5(1)su9:*:*:*:session_management:*:*:*

Configuration CCN 1:

cpe:/a:cisco:unified_communications_manager:-:*:*:*:*:*:*:*

Denotes that component is vulnerable