CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2020-17496
Critical (9.8) in vBulletin vBulletin. In CISA KEV since 2021-11-03. EPSS 87% chance of exploitation in the next 30 days.
vBulletin 5.5.4 through 5.6.2 allows remote command execution via crafted subWidgets data in an ajax/render/widget_tabbedcontainer_tab_panel request. NOTE: this issue exists because of an incomplete fix for CVE-2019-16759.
Severity
- EPSS
- 87% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
- CISA KEV
- listed 2021-11-03, due 2022-05-03
- CWE
- CWE-74
- Published
- Modified
- Record from
- the NVD, synced
Affected
- vbulletin:vbulletin
References
- https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/
- https://cwe.mitre.org/data/definitions/78.html
- https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4445227-vbulletin-5-6-0-5-6-1-5-6-2-security-patch
- https://seclists.org/fulldisclosure/2020/Aug/5
- https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/