Remote Command Execution Vulnerability in vBulletin by vBulletin Solutions, Inc.
CVE-2020-7373

9.8CRITICAL

Key Information:

Vendor

Vbulletin

Status
Vbulletin
Vendor
CVE Published:
30 October 2020

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 90%

What is CVE-2020-7373?

A vulnerability in vBulletin versions 5.5.4 through 5.6.2 allows attackers to execute arbitrary commands remotely by exploiting crafted subWidgets data sent through an ajax/render/widget_tabbedcontainer_tab_panel request. This issue is rooted in an incomplete fix for a previous vulnerability (CVE-2019-16759) and serves as a duplicate case related to CVE-2020-17496, indicating ongoing challenges in securing the application despite attempts at patching.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-7373 - Proof of Concept

References

https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tal...
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https://forum.vbulletin.com/forum/vbulletin-announcements...
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https://seclists.org/fulldisclosure/2020/Aug/5
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EPSS Score

90% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.