CVE-2020-10534
9.8
CRITICAL
CVSS 3.1
EPSS 0.32%
Description
In the GlobalBlocking extension before 2020-03-10 for MediaWiki through 1.34.0, an issue related to IP range evaluation resulted in blocked users re-gaining escalated privileges. This is related to the case in which an IP address is contained in two ranges, one of which is locally disabled.
How to fix CVE-2020-10534
To remediate CVE-2020-10534, upgrade the affected package to a fixed version below.
- Bitnami/mediawiki—upgrade to 1.34.1 or later
Is CVE-2020-10534 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.34.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |