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CVE-2004-0840: microsoft exchange_server Improper Input Validation

CVSS: 10.0v2.0HighModified
Published 16-10-2004Last modified 08-08-2024
Open JSON

Vulnerability summary

CVE-2004-0840 is a high (CVSS 10.0) Improper Input Validation vulnerability in microsoft exchange_server. EPSS estimates a 30.29% chance of exploitation in the next 30 days, higher than 98.2% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
30.29%
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. 16-10-2004
    PublishedVulnerability first disclosed.
  2. 08-08-2024
    Last modifiedVulnerability information updated.

Description

The SMTP (Simple Mail Transfer Protocol) component of Microsoft Windows XP 64-bit Edition, Windows Server 2003, Windows Server 2003 64-bit Edition, and the Exchange Routing Engine component of Exchange Server 2003, allows remote attackers to execute arbitrary code via a malicious DNS response message containing length values that are not properly validated.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

30.29%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 30.29% on 19-09-2026

19-09-202619-10-2026
EPSS score
30.29%

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

Microsoft2 products

1 vendor · 2 products

References

8 links