CVE-2020-17496 KEV
9.8
CRITICAL · CVSS 3.1 · EPSS 87.7% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2022-05-03.
Description
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 87.74% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-74 |
| On CISA KEV | yes — remediate by 2022-05-03 |
| Public exploit | none known |
| Published | 2020-08-12 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | vBulletin PHP Module Remote Code Execution Vulnerability |
|---|---|
| Added | 2021-11-03 |
| Due | 2022-05-03 |
| Vendor / product | vBulletin / vBulletin |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
| 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/
- 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://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17496
→ the Explorer · watch your stack · NVD