5

CVE-2013-5704: apache http_server

Modified
AliasesRHSA-2015:1249UBUNTU-CVE-2013-5704DEBIAN-CVE-2013-5704
Published 15-04-2014Last modified 06-08-2024

Vulnerability summary

CVE-2013-5704 is a medium (CVSS 5.0) vulnerability in apache http_server. EPSS estimates a 57.99% chance of exploitation in the next 30 days, higher than 99% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Routine

Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
57.99%
0%100%
Critical · +5.35 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 9 · Related 3

Timeline

  1. 15-04-2014
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The mod_headers module in the Apache HTTP Server 2.2.22 allows remote attackers to bypass "RequestHeader unset" directives by placing a header in the trailer portion of data sent with chunked transfer coding. NOTE: the vendor states "this is not a security issue in httpd as such."

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

57.99%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

Increase +5.35 pp

From 52.64% on 05-10-2026

05-10-202604-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (martin.swende.se)

    Maturity: unknown

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Redhat13 products
Oracle4 products
Apple2 products
Apache1 product
  • http_serverEOL2.2.0 | 2.2.2 | 2.2.3 | 2.2.4 | 2.2.5 | 2.2.6 | 2.2.8 | 2.2.9 | 2.2.10 | 2.2.11 | 2.2.12 | 2.2.13 | 2.2.14 | 2.2.15 | 2.2.16 | 2.2.17 | 2.2.18 | 2.2.19 | 2.2.20 | 2.2.21 | 2.2.22 | 2.2.23 | 2.2.24 | 2.2.25 | 2.2.26 | 2.2.27 | 2.4.1 | 2.4.2 | 2.4.3 | 2.4.4 | 2.4.6 | 2.4.7 | 2.4.9 | 2.4.10
Canonical1 product
Debian1 product
  • apache2< 2.4.10-2
Ubuntu1 product
  • apache2< 2.4.7-1ubuntu4.4

7 vendors · 23 products

References

68 links
Show all 68 references