What’s Vulnerable › Vulnerabilities

CVE-2020-12720

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 88.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-05-08 · updated 2026-06-17
• Weakness: CWE-89

Description

vBulletin before 5.5.6pl1, 5.6.0 before 5.6.0pl1, and 5.6.1 before 5.6.1pl1 has incorrect access control.

Affected products

• vBulletin: from 5.0.0 before 5.5.6; 5.5.6, 5.6.0, 5.6.1.- — fixed in 5.5.6

How to fix

Upgrade to a fixed version: vBulletin 5.5.6. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/157716/vBulletin-5.6.1-SQL-Injection.html
• http://packetstormsecurity.com/files/157904/vBulletin-5.6.1-SQL-Injection.html
• https://attackerkb.com/topics/RSDAFLik92/cve-2020-12720-vbulletin-incorrect-access-control
• https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4440032-vbulletin-5-6-1-security-patch-level-1
• http://packetstormsecurity.com/files/157716/vBulletin-5.6.1-SQL-Injection.html
• http://packetstormsecurity.com/files/157904/vBulletin-5.6.1-SQL-Injection.html
• https://attackerkb.com/topics/RSDAFLik92/cve-2020-12720-vbulletin-incorrect-access-control
• https://forum.vbulletin.com/forum/vbulletin-announcements/vbulletin-announcements_aa/4440032-vbulletin-5-6-1-security-patch-level-1

Get alerted when CVE-2020-12720 or the next vulnerability affects your stack