CVE-2021-3716CWE-924

A flaw was found in nbdkit due to to improperly caching plaintext state across the STARTTLS encryption boundary

published March 2, 2022

CVSS
—
EPSS
1%
Percentile
47.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00582 · 47.1th percentile
Weakness
CWE-924 · Improper Enforcement of Message Integrity During Transmission in a Communication Channel
Published
2022-03-02T22:19Z
EPSS history
Timeline
  • 02 MAR 22:19Z
    A flaw was found in nbdkit due to to improperly caching plaintext state across the STARTTLS encryption boundary
    cvelistv5