7.5

CVE-2002-0843: apache http_server

CVSS: 7.5v2.0HighModified
Published 05-10-2002Last modified 08-08-2024
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Vulnerability summary

CVE-2002-0843 is a high (CVSS 7.5) vulnerability in apache http_server. EPSS estimates a 21.42% chance of exploitation in the next 30 days, higher than 97.5% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
21.42%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3
DSA-187DSA-188DSA-195

Timeline

  1. 05-10-2002
    PublishedVulnerability first disclosed.
  2. 08-08-2024
    Last modifiedVulnerability information updated.

Description

Buffer overflows in the ApacheBench benchmark support program (ab.c) in Apache before 1.3.27, and Apache 2.x before 2.0.43, allow a malicious web server to cause a denial of service and possibly execute arbitrary code via a long response.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

21.42%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 21.42% on 20-09-2026

20-09-202620-10-2026
EPSS score
21.42%

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

Oracle3 products
Apache1 product
  • http_serverEOL1.3 | 1.3.1 | 1.3.3 | 1.3.4 | 1.3.6 | 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

2 vendors · 4 products

References

27 links
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