vBulletin PHP Module Remote Code Execution Vulnerability (CVE-2019-16759)
Severity: critical · Patch status: patched · Since 2021-11-03 · CVE-2019-16759
The PHP module within vBulletin contains an unspecified vulnerability that allows for remote code execution via the widgetConfig[code] parameter in an ajax/render/widgetphp routestring request. CISA added CVE-2019-16759 to its Known Exploited Vulnerabilities catalog on Nov 3, 2021, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by May 3, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
