CVE-2017-0369 Sysops can undelete pages, although the page is protected against it

What is CVE-2017-0369?

CVE-2017-0369 is a medium-severity missing authorization vulnerability in Debian Debian Linux, published on 13 Apr 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Mediawiki before 1.28.1 / 1.27.2 / 1.23.16 contains a flaw, allowing a sysops to undelete pages, although the page is protected against it.

Weakness: CWE-276

Which versions are affected by CVE-2017-0369?

It affects 2 products.

Products include Debian Debian Linux, Mediawiki Mediawiki.

How do I fix CVE-2017-0369?

Upgrade to a fixed version.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2017-0369 being exploited?

There is no known exploitation of CVE-2017-0369 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2017-0369, GHSA-4c75-wgq4-xcm6.