5.5

CVE-2015-4316: cisco telepresence_video_communication_server_software Improper Input Validation

CVSS: 5.5v2.0MediumModified
Published 20-08-2015Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2015-4316 is a medium (CVSS 5.5) Improper Input Validation vulnerability in cisco telepresence_video_communication_server_software. EPSS estimates a 1.89% chance of exploitation in the next 30 days, higher than 79.2% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v2.0 (NVD)
EPSS score
1.89%
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. 20-08-2015
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The Mobile and Remote Access (MRA) endpoint-validation feature in Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.2 improperly validates the phone line used for registration, which allows remote authenticated users to conduct impersonation attacks via a crafted registration, aka Bug ID CSCuv40396.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.89%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

0.00 pp

From 1.89% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.89%

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

Cisco1 product

1 vendor · 1 product

References

3 links