4.3

CVE-2024-20497: cisco cisco telepresence video communication server (vcs) expressway Improper Authorization

CVSS: 4.3v3.1MediumAnalyzed
Published 04-09-2024Last modified 04-09-2024
Open JSON

Vulnerability summary

CVE-2024-20497 is a medium (CVSS 4.3) Improper Authorization vulnerability in cisco cisco telepresence video communication server (vcs) expressway. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.9% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.32%
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. 04-09-2024
    PublishedVulnerability first disclosed.
  2. 04-09-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability in Cisco Expressway Edge (Expressway-E) could allow an authenticated, remote attacker to masquerade as another user on an affected system. This vulnerability is due to inadequate authorization checks for Mobile and Remote Access (MRA) users. An attacker could exploit this vulnerability by running a series of crafted commands. A successful exploit could allow the attacker to intercept calls that are destined for a particular phone number or to make phone calls and have that phone number appear on the caller ID. To successfully exploit this vulnerability, the attacker must be an MRA user on an affected system.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.32%

Chance of exploitation in the next 30 days

Percentile

24%

Versus all other CVEs

30-day change

0.00 pp

From 0.32% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.32%

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 telepresence video communication server (vcs) expresswayX8.11.2 | X8.6 | X8.11.3 | X8.2.2 | X8.8.3 | X8.11.0 | X12.5.2 | X8.1.1 | X8.9 | X12.5.1 | X12.5.6 | X8.7.3 | X12.6.0 | X8.11.1 | X8.5 | X8.9.1 | X8.10.2 | X8.8.2 | X8.5.3 | X8.1 | X8.9.2 | X8.11.4 | X12.5.4 | X8.8.1 | X8.2.1 | X8.5.1 | X8.6.1 | X8.1.2 | X8.8 | X8.10.0 | X12.5.3 | X8.10.1 | X12.5.7 | X8.10.3 | X8.7.1 | X8.2 | X12.5.8 | X8.7 | X8.5.2 | X12.5.9 | X12.5.0 | X8.10.4 | X8.7.2 | X12.5.5 | X12.6.1 | X12.6.2 | X12.6.3 | X12.6.4 | X12.7.0 | X12.7.1 | X14.0.0 | X14.0.1 | X14.0.2 | X14.0.3 | X14.0.4 | X14.0.5 | X14.0.6 | X14.0.7 | X14.0.8 | X14.2.0 | X14.0.9 | X14.2.1 | X14.2.2 | X14.0.11 | X14.2.5 | X14.0.10 | X14.2.6 | X14.2.7 | X14.3.0 | X14.3.1 | X14.3.2 | X14.3.3 | X15.0.0 | X14.3.4 | X14.3.5 | X15.0.1 | X15.0.2 | X15.0.3
  • expressway-e< 15.2

1 vendor · 2 products

References

1 links