CVEvulnerability

CVE-2020-10534

9.8 CRITICAL Published 2020-03-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-03-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-863

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.

Affected configurations

• mediawiki mediawiki (<= 1.34.0)

Related

Weakness · CWE (1)

  • CWE-863 Incorrect Authorization weakness

References