CVE-2021-30158
5.3
MEDIUM
CVSS 3.1
EPSS 0.61%
Description
An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Blocked users are unable to use Special:ResetTokens. This has security relevance because a blocked user might have accidentally shared a token, or might know that a token has been compromised, and yet is not able to block any potential future use of the token by an unauthorized party.
How to fix CVE-2021-30158
To remediate CVE-2021-30158, upgrade the affected package to a fixed version below.
- —upgrade to 1.31.12 or later
- —upgrade to 1:1.35.2-1 or later
Is CVE-2021-30158 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.31.12, >= 1.32.0, < 1.35.2
- from 0, < 1:1.35.2-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
References (9)
- ADVISORYsecurity-tracker.debian.org/tracker/CVE-2021-30158
- WEBlists.debian.org/debian-lts-announce/2021/05/msg00003.html
- WEBlists.debian.org/debian-lts-announce/2021/05/msg00006.html
- WEBlists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/26UJGHF7LJDOCQN6A3Z4PM7PYRKENJHE/