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.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
1.19%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2Timeline
- 31-03-2023PublishedVulnerability first disclosed.
- 18-02-2025Last 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 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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 score1.19%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- mediawiki< 1:1.39.4-1~deb12u1 | < 1:1.39.4-1 | < 1:1.31.16-1+deb10u6
Fedoraproject1 product
- fedoraEOL37
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- lists.fedoraproject.org/archives/…Vendor Advisory
- lists.fedoraproject.org/archives/…Vendor Advisory
- www.debian.org/security/2023/dsa-5447Vendor Advisory