4.9

CVE-2021-1406: cisco cisco unified communications manager

CVSS: 4.9v3.1MediumModified
Published 08-04-2021Last modified 08-11-2024

Vulnerability summary

CVE-2021-1406 is a medium (CVSS 4.9) vulnerability in cisco cisco unified communications manager. EPSS estimates a 1.08% chance of exploitation in the next 30 days, higher than 64.5% of scored vulnerabilities.

Overall risk
20/100
0100
Low · default modelHow is this calculated?
CVSS score
4.9/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.08%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-04-2021
    PublishedVulnerability first disclosed.
  2. 08-11-2024
    Last modifiedVulnerability information updated.

Description

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 metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.08%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

0.00 pp

From 1.08% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.08%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco2 products
  • cisco unified communications managern/a
  • unified_communications_manager10.5\(2\) | 10.5\(2\)su1 | 10.5\(2\)su2 | 10.5\(2\)su2a | 10.5\(2\)su3 | 10.5\(2\)su3a | 10.5\(2\)su4 | 10.5\(2\)su4a | 10.5\(2\)su5 | 10.5\(2\)su6 | 10.5\(2\)su6a | 10.5\(2\)su7 | 10.5\(2\)su8 | 10.5\(2\)su9 | 10.5\(2\)su10 | 11.5\(1\) | 11.5\(1\)su1 | 11.5\(1\)su2 | 11.5\(1\)su3 | 11.5\(1\)su4 | 11.5\(1\)su5 | 11.5\(1\)su7 | 11.5\(1\)su8 | 11.5\(1\)su9 | 12.0\(1\) | 12.5\(1\) | 12.5\(1\)su1 | 12.5\(1\)su2 | 12.5\(1\)su3 | 12.5\(1\)su4 | 12.5\(1\)su5

1 vendor · 2 products

References

1 links