7.5

CVE-2021-41799: fedoraproject fedora

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2021-41799DEBIAN-CVE-2021-41799
Published 11-10-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-41799 is a high (CVSS 7.5) vulnerability in fedoraproject fedora. EPSS estimates a 1.70% chance of exploitation in the next 30 days, higher than 76.8% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.70%
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 3
DLA-2779-1DSA-4979-1MGASA-2021-0477

Timeline

  1. 11-10-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

MediaWiki before 1.36.2 allows a denial of service (resource consumption because of lengthy query processing time). ApiQueryBacklinks (action=query&list=backlinks) can cause a full table scan.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.70%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

0.00 pp

From 1.70% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.70%

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< 1:1.35.4-1
Fedoraproject1 product
Mediawiki1 product
Ubuntu1 product
  • mediawikiAll versions (No fix recorded)

4 vendors · 4 products

References

11 links
Show all 11 references