SecuriTricks - CVE-2021-47688

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.

Product(s) Impacted

Vendor	Product	Versions
Whitebeam	Whitebeam	0.2.0-0.2.1

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-696

Incorrect Behavior Order

The product performs multiple related behaviors, but the behaviors are performed in the wrong order in ways which may produce resultant weaknesses.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	whitebeam	whitebeam	0.2.0-0.2.1	/	/	/	/	/	/	/

References

https://github.com/WhiteBeamSec/WhiteBeam/pull/22

https://github.com/WhiteBeamSec/WhiteBeam/security/advisories/GHSA-3f8r-9483-pfxj

https://github.com/WhiteBeamSec/WhiteBeam/security/policy

CVSS Score

5.7 / 10

CVSS Data - 3.1

Attack Vector: LOCAL
Attack Complexity: LOW
Privileges Required: NONE
Scope: CHANGED
Confidentiality Impact: NONE
Integrity Impact: LOW
Availability Impact: LOW

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

View Vector String

Timeline

Published: June 23, 2025, 8:15 p.m.
Last Modified: June 23, 2025, 8:16 p.m.

Status : Awaiting Analysis

CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

More info

Source

cve@mitre.org

CVE-2021-47688