CVE-2020-17496
KEVCRITICAL 9.8EPSS 87.5%
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.
- CVSS v3.1 NVD
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P - EPSS
- 87.48% chance of exploitation in the next 30 days, 100th percentile
- CISA KEV
- added 2021-11-03
- Nuclei
- critical · CWE-74
- Published
- 2020-08-12
- Updated
- 2025-10-21
Proof-of-concept exploits (2)
- https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/
- ctlyz123/CVE-2020-174961★ · 2020-08-20
Nuclei templates (1)
Metasploit modules (1)
Security advisories
- https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4445…
- https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail
- https://seclists.org/fulldisclosure/2020/Aug/5