The CentralAuth extension for MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 caches a valid CentralAuthUser object in the centralauth_User cookie even when a user has not successfully logged in, which allows remote attackers to bypass authentication without a password
Published Jan 26, 2014
7.5
HIGHCVSS 2.0
EPSS 2.08%
Description
The CentralAuth extension for MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 caches a valid CentralAuthUser object in the centralauth_User cookie even when a user has not successfully logged in, which allows remote attackers to bypass authentication without a password.
Affected products
No data.
- n/a
- 1.19
- 1.19
- 1.19
- 1.19.0
- 1.19.1
- 1.19.2
- 1.19.3
- 1.19.4
- 1.19.5
- 1.19.6
- 1.19.7
- 1.20
- 1.20.1
- 1.20.2
- 1.20.3
- 1.20.4
- 1.20.5
- 1.20.6
- 1.21
- 1.21.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.08% (0.02075) | 80.81th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.08% (0.02075) | 78.94th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.56% (0.00564) | 66.45th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.59% (0.02589) | 90.66th | v3 (v2023.03.01) |
| Jan 25, 2024 | 2.20% (0.02195) | 88.31th | v3 (v2023.03.01) |
| Sep 8, 2023 | 2.28% (0.02280) | 88.27th | v3 (v2023.03.01) |
| Jul 23, 2023 | 2.60% (0.02600) | 88.87th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.31% (0.03310) | 89.80th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (6)
- http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html mailing-listx_refsource_MLISTPatch
- http://osvdb.org/96910 vdb-entryx_refsource_OSVDB
- http://seclists.org/oss-sec/2013/q3/553 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/54723 third-party-advisoryx_refsource_SECUNIA
- https://bugzilla.wikimedia.org/show_bug.cgi?id=52338 x_refsource_CONFIRMExploit
- https://exchange.xforce.ibmcloud.com/vulnerabilities/86894 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://lists.wikimedia.org/pipermail/mediawiki-announce/2013-September/000133.html | mailing-listx_refsource_MLISTPatch | |
| http://osvdb.org/96910 | vdb-entryx_refsource_OSVDB | |
| http://seclists.org/oss-sec/2013/q3/553 | mailing-listx_refsource_MLIST | |
| http://secunia.com/advisories/54723 | third-party-advisoryx_refsource_SECUNIA | |
| https://bugzilla.wikimedia.org/show_bug.cgi?id=52338 | x_refsource_CONFIRMExploit | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/86894 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.