Samba Auth Metadata Flaw Enables Out-of-Share Modify (CVE-2021-20316)
CVE-2021-20316 Published on August 23, 2022
A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with permissions to read or modify share metadata, to perform this operation outside of the share.
Weakness Type
What is a Race Condition Vulnerability?
The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.
CVE-2021-20316 has been classified to as a Race Condition vulnerability or weakness.
Products Associated with CVE-2021-20316
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2021-20316 are published in these products:
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.