# CVE-2020-17496

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.

- Page: https://www.vulneraibility.com/cve/CVE-2020-17496
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2021-11-03; CISA due date 2022-05-03
- EPSS: 87.48% (percentile 99.8)
- Public exploit code: 1 Metasploit module · 2 GitHub proofs of concept · 1 Nuclei template (first 2020-08-20)
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2025-02-04)
- Weakness: CWE-74
- Published: 2020-08-12

## Affected

- vbulletin:vbulletin

## References

- [other] https://cwe.mitre.org/data/definitions/78.html
- [other] https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/
- [other] https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4445227-vbulletin-5-6-0-5-6-1-5-6-2-security-patch
- [other] https://seclists.org/fulldisclosure/2020/Aug/5
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17496

---
Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.