CVE-2021-47688

Medium

Description

In WhiteBeam 0.2.0 through 0.2.1 before 0.2.2, a user with local access to a server can bypass the allow-list functionality because a file can be truncated in the OpenFileDescriptor action before the VerifyCanWrite action is performed.

SeverityMedium
CVSS5.7
Exploit probability—
ProductWhiteBeam
PublishedJun 23, 2025
First seenJun 23, 2025
Weakness typeCWE-696CWE-696

How to fix

Update
  • WhiteBeam WhiteBeam0.2.2 or later

Affected products

ProductAffected versionsFixed in
WhiteBeam WhiteBeam0.2.0 ≤ v < 0.2.20.2.2

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.