9.8

CVE-2023-29141: fedoraproject fedora HTTP Request/Response Smuggling

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2023-29141DEBIAN-CVE-2023-29141DLA-3540-1
Published 31-03-2023Last modified 18-02-2025

Vulnerability summary

CVE-2023-29141 is a critical (CVSS 9.8) HTTP Request/Response Smuggling vulnerability in fedoraproject fedora. EPSS estimates a 1.19% chance of exploitation in the next 30 days, higher than 67.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
1.19%
0%100%
Low · 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 2

Timeline

  1. 31-03-2023
    PublishedVulnerability first disclosed.
  2. 18-02-2025
    Last modifiedVulnerability information updated.

Description

An issue was discovered in MediaWiki before 1.35.10, 1.36.x through 1.38.x before 1.38.6, and 1.39.x before 1.39.3. An auto-block can occur for an untrusted X-Forwarded-For header.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

1.19%

Chance of exploitation in the next 30 days

Percentile

68%

Versus all other CVEs

30-day change

0.00 pp

From 1.19% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.19%

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

Debian1 product
  • mediawiki< 1:1.39.4-1~deb12u1 | < 1:1.39.4-1 | < 1:1.31.16-1+deb10u6
Fedoraproject1 product
Mediawiki1 product
  • mediawiki< 1.35.10 | ≥ 1.36.0, < 1.38.6 | ≥ 1.39.0, < 1.39.3
Ubuntu1 product
  • mediawikiAll versions (No fix recorded)

4 vendors · 4 products

References

9 links