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

published May 7, 2020

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.8th percentile for exploit probability.

CVSS
—
EPSS
89%
Percentile
99.8
In the wild
Unconfirmed
What it is

⚠️ Unchecked permissions are hiding here! This vulnerability in vBulletin could let users stroll into restricted areas like they own the place — and that's definitely not okay! Think of it like a hotel with a few rooms unlocked because the front desk never checked the access list — anyone with a room key can wander into suites they shouldn’t even know about. An attacker could exploit this access control flaw to view or manipulate content that should be off-limits, potentially leading to unauthorized information leaks or even account takeovers. It's like handing out spare keys to sensitive areas of your digital space — not a great idea!

Put simply

Think of it like a hotel with a few rooms unlocked because the front desk never checked the access list — anyone with a room key can wander into suites they shouldn’t even know about. This vulnerability arises from improper access controls in vBulletin versions prior to 5.5.6pl1 and 5.6.0 before 5.6.0pl1. It allows unauthorized users to access restricted areas of the application.

What to do

An attacker could exploit this access control flaw to view or manipulate content that should be off-limits, potentially leading to unauthorized information leaks or even account takeovers. It's like handing out spare keys to sensitive areas of your digital space — not a great idea! Upgrade to vBulletin version 5.5.6pl1 or 5.6.0pl1 and 5.6.1pl1 to patch this vulnerability. Additionally, review your current access controls to ensure they are properly configured to prevent unauthorized access. You've got this! With the right patches and checks, you'll keep your vBulletin secure and your users happy! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.88948 · 99.8th percentile
Published
2020-05-07T23:52Z
EPSS history
Timeline
  • 07 MAY 23:52Z
    vBulletin before 5.5.6pl1, 5.6.0 before 5.6.0pl1, and 5.6.1 before 5.6.1pl1 has incorrect access control
    cvelistv5