CVE-2020-17496

high-risk
Published 2020-08-12

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.

Do I need to act?

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94.2% chance of exploitation in next 30 days
EPSS score — higher than 6% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Vbulletin

References (9)

Exploit https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/
Technical Description https://cwe.mitre.org/data/definitions/78.html
Patch https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcement...
Exploit https://seclists.org/fulldisclosure/2020/Aug/5
Exploit https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/
Technical Description https://cwe.mitre.org/data/definitions/78.html
Patch https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcement...
Exploit https://seclists.org/fulldisclosure/2020/Aug/5
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-...
64
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 27/34 · High
Exposure 5/34 · Minimal