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.
Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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CISA-ADPADP
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 99%
VendorProductVersion
vbulletinvbulletin
5.5.4 ≤
𝑥
≤ 5.6.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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