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.
CVSS score
5.3/10
010
Medium · v3.1 (NVD)EPSS score
1.25%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 24-12-2021PublishedVulnerability first disclosed.
- 04-08-2024Last 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 versionsMedium 5.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:P/A:NSourcesSingle source
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 score1.25%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Fedoraproject1 product
- fedoraEOL35
Mediawiki1 product
- mediawiki≤ 1.37
Ubuntu1 product
- mediawikiAll versions (No fix recorded)
3 vendors · 3 products
References
6 links- gerrit.wikimedia.org/r/q/Iac86cf63bd014ef99e83dccfce9b8942e15d2bf9X Refsource MISCREPORTThird Party Advisory
- gerrit.wikimedia.org/r/q/Id9af124427bcd1e85301d2140a38bf47bbc5622cX Refsource MISCREPORTThird Party Advisory