4.3

CVE-2007-5637: nortel business_communications_manager

CVSS: 4.3v2.0MediumModified
Published 23-10-2007Last modified 07-08-2024

Vulnerability summary

CVE-2007-5637 is a medium (CVSS 4.3) vulnerability in nortel business_communications_manager. EPSS estimates a 3.13% chance of exploitation in the next 30 days, higher than 87.7% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
3.13%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference, exploit-database

Timeline

  1. 23-10-2007
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

The Nortel UNIStim IP Softphone 2050, IP Phone 1140E, and additional Nortel products from the IP Phone, Business Communications Manager (BCM), and other product lines allow remote attackers to eavesdrop on the physical environment via an Open Audio Stream message that enables "surveillance mode." NOTE: issues relating to a small ID number space can be leveraged to make this attack easier.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

3.13%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

0.00 pp

From 3.13% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.13%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (securityfocus.com)

    Maturity: unknown

  • exploit-databasedoshardwareVerified

    Nortel Networks - Multiple UNIStim VoIP Products Remote Eavesdrop Vulnerabilities

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Nortel2 products

1 vendor · 2 products

References

9 links