What is CVE-2021-1406?

CVE-2021-1406 is a medium-severity vulnerability in Cisco Unified Communications Manager, classified under Insertion of Sensitive Information into Externally-Accessible File or Directory. CVSS score: 4.9/10. Published 2021-04-08.

How severe is CVE-2021-1406?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Information disclosure in Cisco Unified Communications Manager

CVE-2021-1406

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.

EPSS: 0.011 (61.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Cisco Unified Communications Manager — versions n/a
Cisco Unified_communications_manager — versions 10.5\(2\), 10.5\(2\)su1, 10.5\(2\)su2

Weakness classification (CWE)

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2021-1406?: CVE-2021-1406 is a medium-severity vulnerability in Cisco Unified Communications Manager, classified under Insertion of Sensitive Information into Externally-Accessible File or Directory. CVSS score: 4.9/10. Published 2021-04-08.
How severe is CVE-2021-1406?: Medium severity. CVSS v3 base score is 4.9 out of 10.