7.5

CVE-2002-0155: microsoft msn_messenger

CVSS: 7.5v2.0HighModified
Published 02-04-2003Last modified 08-08-2024
Open JSON

Vulnerability summary

CVE-2002-0155 is a high (CVSS 7.5) vulnerability in microsoft msn_messenger. EPSS estimates a 24.10% chance of exploitation in the next 30 days, higher than 97.8% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
24.10%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 02-04-2003
    PublishedVulnerability first disclosed.
  2. 08-08-2024
    Last modifiedVulnerability information updated.

Description

Buffer overflow in Microsoft MSN Chat ActiveX Control, as used in MSN Messenger 4.5 and 4.6, and Exchange Instant Messenger 4.5 and 4.6, allows remote attackers to execute arbitrary code via a long ResDLL parameter in the MSNChat OCX.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

24.10%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 24.10% on 21-09-2026

21-09-202621-10-2026
EPSS score
24.10%

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

Microsoft2 products

1 vendor · 2 products

References

5 links