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CVE-2021-47688

MEDIUMCVSS 5.7/10EPSS 0.16%

Last modified

CVE-2021-47688 is a medium-severity vulnerability rated 5.7/10 on the CVSS scale. 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.. EPSS estimates a 0.16% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.7/10

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

EPSS Probability
0.16%

5.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2021-47688?
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.
How severe is CVE-2021-47688?
CVE-2021-47688 has a CVSS score of 5.7/10 (MEDIUM severity). The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.
How do I fix CVE-2021-47688?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-47688?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST