7.5

CVE-2003-0993: apache http_server

CVSS: 7.5v2.0HighModified
Published 01-09-2004Last modified 08-08-2024
Open JSON

Vulnerability summary

CVE-2003-0993 is a high (CVSS 7.5) vulnerability in apache http_server. EPSS estimates a 10.84% chance of exploitation in the next 30 days, higher than 95.8% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
10.84%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-09-2004
    PublishedVulnerability first disclosed.
  2. 08-08-2024
    Last modifiedVulnerability information updated.

Description

mod_access in Apache 1.3 before 1.3.30, when running big-endian 64-bit platforms, does not properly parse Allow/Deny rules using IP addresses without a netmask, which could allow remote attackers to bypass intended access restrictions.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

10.84%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

0.00 pp

From 10.84% on 18-09-2026

18-09-202618-10-2026
EPSS score
10.84%

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

Apache1 product
  • http_serverEOL1.3 | 1.3.1 | 1.3.3 | 1.3.4 | 1.3.6 | 1.3.7 | 1.3.9 | 1.3.11 | 1.3.12 | 1.3.14 | 1.3.17 | 1.3.18 | 1.3.19 | 1.3.20 | 1.3.22 | 1.3.23 | 1.3.24 | 1.3.25 | 1.3.26 | 1.3.27 | 1.3.28 | 1.3.29

1 vendor · 1 product

References

23 links
Show all 23 references