5

CVE-2002-1831: microsoft msn_messenger

CVSS: 5.0v2.0MediumModified
Published 28-06-2005Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2002-1831 is a medium (CVSS 5.0) vulnerability in microsoft msn_messenger. EPSS estimates a 22.26% chance of exploitation in the next 30 days, higher than 97.6% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
22.26%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference, exploit-database

Timeline

  1. 28-06-2005
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

Microsoft MSN Messenger Service 1.0 through 4.6 allows remote attackers to cause a denial of service (crash) via an invite request that contains hex-encoded spaces (%20) in the Invitation-Cookie field.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

22.26%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 22.26% on 21-09-2026

21-09-202621-10-2026
EPSS score
22.26%

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-databasedoswindowsVerified

    Microsoft MSN Messenger 1 < 4 - Malformed Invite Request Denial of Service

    Maturity: poc

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Microsoft1 product

1 vendor · 1 product

References

3 links