VULNERABILITY INTELLIGENCE

CVE-2020-10534

CVSS score9.8 CRITICAL
EPSS probability1.21%
CISA KEVNot currently listed
Published2020-03-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-863: Incorrect Authorization

Primary references