CVE-2020-10534

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Source
https://cve.org/CVERecord?id=CVE-2020-10534
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-10534.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-10534
Aliases
Published
2020-03-12T23:15:12.233Z
Modified
2026-07-08T16:08:51.271345Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/wikimedia/mediawiki

Affected ranges

Type
GIT
Repo
https://github.com/wikimedia/mediawiki
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
29977ebe4c05cab4cac46fd1a8459e27f50fb153
Database specific 
{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.34.0"
        }
    ]
}

Affected versions

1.*
1.1.0
1.3.0beta1
1.34.0
1.34.0-rc.0
1.34.0-rc.1
1.5.0alpha1
1.5.0alpha2
1.5.0beta1
1.5.0beta2
1.5.0beta3
1.5.0beta4
1.6.0
Other
test-hashar-for-ci

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-10534.json"