5.3

CVE-2021-41800: fedoraproject fedora

CVSS: 5.3v3.1MediumModified
AliasesUBUNTU-CVE-2021-41800DEBIAN-CVE-2021-41800
Published 11-10-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-41800 is a medium (CVSS 5.3) vulnerability in fedoraproject fedora. EPSS estimates a 1.81% chance of exploitation in the next 30 days, higher than 78.2% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
1.81%
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
DSA-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). Visiting Special:Contributions can sometimes result in a long running SQL query because PoolCounter protection is mishandled.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.81%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

0.00 pp

From 1.81% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.81%

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