cvedb.io
CVE-2021-3716
LOW · CVSS 3.1
EPSS exploitation probability: 0%
Published 2022-03-02T23:15:09.013 · Last modified 2026-06-17T04:05:37.720

Summary

A flaw was found in nbdkit due to to improperly caching plaintext state across the STARTTLS encryption boundary. A MitM attacker could use this flaw to inject a plaintext NBD_OPT_STRUCTURED_REPLY before proxying everything else a client sends to the server, potentially leading the client to terminate the NBD session. The highest threat from this vulnerability is to system availability.

Affected products

nbdkit_project — nbdkit

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.