7.8

CVE-2007-3438: nortel sip_softphone

CVSS: 7.8v2.0HighModified
Published 27-06-2007Last modified 07-08-2024

Vulnerability summary

CVE-2007-3438 is a high (CVSS 7.8) vulnerability in nortel sip_softphone. EPSS estimates a 2.46% chance of exploitation in the next 30 days, higher than 84.2% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
2.46%
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. 27-06-2007
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Buffer overflow in the SIP header parsing module in the Nortel PC Client SIP Soft Phone 4.1 3.5.208[20051015] allows remote attackers to execute arbitrary code via a malformed message, a different vulnerability than CVE-2007-3361.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

2.46%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

0.00 pp

From 2.46% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.46%

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

No weakness data has been published for this record.

Affected systems

Nortel1 product

1 vendor · 1 product

References

2 links