CVE-2020-7373 in the critical feed json
vBulletin 5.5.4 through 5.6.2 allows remote command execution via crafted subWidgets data in an ajax/render/widget_tabbedcontainer_tab_pane…
published 6y ago modified 4mo ago also EUVD-2020-28500
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 45.0%
- EPSS 45.0% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
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. ALSO NOTE: CVE-2020-7373 is a duplicate of CVE-2020-17496. CVE-2020-17496 is the preferred CVE ID to track this vulnerability.
Patch / fix
Is CVE-2020-7373 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
45.01% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- blog.exploitee.rs https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/ referenced PoC, tagged "exploit" by a source, unverified
- seclists.org https://seclists.org/fulldisclosure/2020/Aug/5 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
github.com
/rapid7/metasploit-framework/pull/13970
patch, third-party-advisory
-
forum.vbulletin.com
/forum/vbulletin-announcements/vbulletin-announcements_aa/4445227-vbulletin-5-6-0-5-6-1-5-6-2-security-patch
patch, vendor-advisory
-
blog.exploitee.rs
/2020/exploiting-vbulletin-a-tale-of-patch-fail/
exploit, third-party-advisory
-
seclists.org
/fulldisclosure/2020/Aug/5
exploit, mailing-list, third-party-advisory
Sources
- CVE List CVE-2020-7373
- NVD CVE-2020-7373
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.