Vulnerability Report

CVE-2020-12720

Title: vBulletin Incorrect Access Control

SQLi

Proof Of Concept

PoC Available for CVE-2020-12720

CWE Category CWE-89

Published Date May 08, 2020

Modified Date Jun 17, 2026

Exploit Status Available

Score 9.8 CVSS v3.1

Exploit Probability (EPSS)

88.95%

Vulnerability Summary

CVE-2020-12720: vBulletin before 5.5.6pl1, 5.6.0 before 5.6.0pl1, and 5.6.1 before 5.6.1pl1 has incorrect access control.

Impacted Vendors

jelsoft 1

vbulletin 1

Reference Links

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

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.5

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-12720 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/cocomelonc/vulnexipy

View Code

June 17, 2026 MODIFIED

Vulnerability data updated via NVD.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

May 08, 2020 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.