5.3

CVE-2021-45471: fedoraproject fedora

CVSS: 5.3v3.1MediumModified
AliasesUBUNTU-CVE-2021-45471
Published 24-12-2021Last modified 04-08-2024

Vulnerability summary

CVE-2021-45471 is a medium (CVSS 5.3) vulnerability in fedoraproject fedora. EPSS estimates a 1.25% chance of exploitation in the next 30 days, higher than 69% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
1.25%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 24-12-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

In MediaWiki through 1.37, blocked IP addresses are allowed to edit EntitySchema items.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.25%

Chance of exploitation in the next 30 days

Percentile

69%

Versus all other CVEs

30-day change

+0.01 pp

From 1.24% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.25%

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

No weakness data has been published for this record.

Affected systems

Fedoraproject1 product
Mediawiki1 product
Ubuntu1 product
  • mediawikiAll versions (No fix recorded)

3 vendors · 3 products

References

6 links