Vulnerability Details CVE-2021-3716
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 13.0%
CVSS Severity
CVSS v3 Score 3.1
CVSS v2 Score 3.5
Products affected by CVE-2021-3716
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cpe:2.3:a:nbdkit_project:nbdkit:1.11.10
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cpe:2.3:a:nbdkit_project:nbdkit:1.11.11
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cpe:2.3:a:nbdkit_project:nbdkit:1.11.12
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cpe:2.3:a:nbdkit_project:nbdkit:1.11.13
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cpe:2.3:a:nbdkit_project:nbdkit:1.11.14
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cpe:2.3:a:nbdkit_project:nbdkit:1.11.15
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cpe:2.3:a:nbdkit_project:nbdkit:1.11.8
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cpe:2.3:a:nbdkit_project:nbdkit:1.11.9
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cpe:2.3:a:nbdkit_project:nbdkit:1.12.0
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cpe:2.3:a:nbdkit_project:nbdkit:1.12.1
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cpe:2.3:a:nbdkit_project:nbdkit:1.12.2
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cpe:2.3:a:nbdkit_project:nbdkit:1.12.3
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cpe:2.3:a:nbdkit_project:nbdkit:1.12.4
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cpe:2.3:a:nbdkit_project:nbdkit:1.12.5
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cpe:2.3:a:nbdkit_project:nbdkit:1.12.6
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cpe:2.3:a:nbdkit_project:nbdkit:1.12.7
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cpe:2.3:a:nbdkit_project:nbdkit:1.12.8
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cpe:2.3:a:nbdkit_project:nbdkit:1.13.0
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cpe:2.3:a:nbdkit_project:nbdkit:1.13.1
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cpe:2.3:a:nbdkit_project:nbdkit:1.13.2
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cpe:2.3:a:nbdkit_project:nbdkit:1.13.3
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cpe:2.3:a:nbdkit_project:nbdkit:1.13.4
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cpe:2.3:a:nbdkit_project:nbdkit:1.13.5
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cpe:2.3:a:nbdkit_project:nbdkit:1.13.6
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cpe:2.3:a:nbdkit_project:nbdkit:1.13.7
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cpe:2.3:a:nbdkit_project:nbdkit:1.13.8
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cpe:2.3:a:nbdkit_project:nbdkit:1.13.9
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cpe:2.3:a:nbdkit_project:nbdkit:1.14.0
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cpe:2.3:a:nbdkit_project:nbdkit:1.14.1
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cpe:2.3:a:nbdkit_project:nbdkit:1.14.2
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cpe:2.3:a:nbdkit_project:nbdkit:1.15.1
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cpe:2.3:a:nbdkit_project:nbdkit:1.15.2
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cpe:2.3:a:nbdkit_project:nbdkit:1.15.3
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cpe:2.3:a:nbdkit_project:nbdkit:1.15.4
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cpe:2.3:a:nbdkit_project:nbdkit:1.15.5
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cpe:2.3:a:nbdkit_project:nbdkit:1.15.6
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cpe:2.3:a:nbdkit_project:nbdkit:1.15.7
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cpe:2.3:a:nbdkit_project:nbdkit:1.15.8
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cpe:2.3:a:nbdkit_project:nbdkit:1.16.0
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cpe:2.3:a:nbdkit_project:nbdkit:1.16.1
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cpe:2.3:a:nbdkit_project:nbdkit:1.16.2
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cpe:2.3:a:nbdkit_project:nbdkit:1.16.3
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cpe:2.3:a:nbdkit_project:nbdkit:1.16.4
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cpe:2.3:a:nbdkit_project:nbdkit:1.16.5
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cpe:2.3:a:nbdkit_project:nbdkit:1.16.6
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cpe:2.3:a:nbdkit_project:nbdkit:1.17.1
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cpe:2.3:a:nbdkit_project:nbdkit:1.17.10
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cpe:2.3:a:nbdkit_project:nbdkit:1.17.11
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cpe:2.3:a:nbdkit_project:nbdkit:1.17.2
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cpe:2.3:a:nbdkit_project:nbdkit:1.17.3
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cpe:2.3:a:nbdkit_project:nbdkit:1.17.4
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cpe:2.3:a:nbdkit_project:nbdkit:1.17.5
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cpe:2.3:a:nbdkit_project:nbdkit:1.17.6
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cpe:2.3:a:nbdkit_project:nbdkit:1.17.7
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cpe:2.3:a:nbdkit_project:nbdkit:1.17.8
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cpe:2.3:a:nbdkit_project:nbdkit:1.17.9
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cpe:2.3:a:nbdkit_project:nbdkit:1.18.0
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cpe:2.3:a:nbdkit_project:nbdkit:1.18.1
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cpe:2.3:a:nbdkit_project:nbdkit:1.18.2
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cpe:2.3:a:nbdkit_project:nbdkit:1.18.3
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cpe:2.3:a:nbdkit_project:nbdkit:1.18.4
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cpe:2.3:a:nbdkit_project:nbdkit:1.18.5
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cpe:2.3:a:nbdkit_project:nbdkit:1.19.1
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cpe:2.3:a:nbdkit_project:nbdkit:1.19.10
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cpe:2.3:a:nbdkit_project:nbdkit:1.19.11
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cpe:2.3:a:nbdkit_project:nbdkit:1.19.12
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cpe:2.3:a:nbdkit_project:nbdkit:1.19.2
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cpe:2.3:a:nbdkit_project:nbdkit:1.19.3
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cpe:2.3:a:nbdkit_project:nbdkit:1.19.4
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cpe:2.3:a:nbdkit_project:nbdkit:1.19.5
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cpe:2.3:a:nbdkit_project:nbdkit:1.19.6
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cpe:2.3:a:nbdkit_project:nbdkit:1.19.7
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cpe:2.3:a:nbdkit_project:nbdkit:1.19.8
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cpe:2.3:a:nbdkit_project:nbdkit:1.19.9
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cpe:2.3:a:nbdkit_project:nbdkit:1.20.0
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cpe:2.3:a:nbdkit_project:nbdkit:1.20.1
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cpe:2.3:a:nbdkit_project:nbdkit:1.20.2
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cpe:2.3:a:nbdkit_project:nbdkit:1.20.3
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cpe:2.3:a:nbdkit_project:nbdkit:1.20.4
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cpe:2.3:a:nbdkit_project:nbdkit:1.20.5
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cpe:2.3:a:nbdkit_project:nbdkit:1.20.6
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cpe:2.3:a:nbdkit_project:nbdkit:1.20.7
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.1
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.10
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.11
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.12
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.13
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.14
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.15
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.16
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.17
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.18
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.19
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.2
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.20
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.21
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.22
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.23
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.24
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.25
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.26
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.3
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.4
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.5
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.6
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.7
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.8
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cpe:2.3:a:nbdkit_project:nbdkit:1.21.9
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cpe:2.3:a:nbdkit_project:nbdkit:1.22.0
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cpe:2.3:a:nbdkit_project:nbdkit:1.22.1
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cpe:2.3:a:nbdkit_project:nbdkit:1.22.2
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cpe:2.3:a:nbdkit_project:nbdkit:1.22.3
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cpe:2.3:a:nbdkit_project:nbdkit:1.22.4
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cpe:2.3:a:nbdkit_project:nbdkit:1.22.5
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cpe:2.3:a:nbdkit_project:nbdkit:1.23.1
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cpe:2.3:a:nbdkit_project:nbdkit:1.23.10
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cpe:2.3:a:nbdkit_project:nbdkit:1.23.11
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cpe:2.3:a:nbdkit_project:nbdkit:1.23.12
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cpe:2.3:a:nbdkit_project:nbdkit:1.23.13
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cpe:2.3:a:nbdkit_project:nbdkit:1.23.2
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cpe:2.3:a:nbdkit_project:nbdkit:1.23.3
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cpe:2.3:a:nbdkit_project:nbdkit:1.23.4
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cpe:2.3:a:nbdkit_project:nbdkit:1.23.5
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cpe:2.3:a:nbdkit_project:nbdkit:1.23.6
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cpe:2.3:a:nbdkit_project:nbdkit:1.23.7
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cpe:2.3:a:nbdkit_project:nbdkit:1.23.8
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cpe:2.3:a:nbdkit_project:nbdkit:1.23.9
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cpe:2.3:a:nbdkit_project:nbdkit:1.24.0
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cpe:2.3:a:nbdkit_project:nbdkit:1.24.1
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cpe:2.3:a:nbdkit_project:nbdkit:1.24.2
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cpe:2.3:a:nbdkit_project:nbdkit:1.24.3
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cpe:2.3:a:nbdkit_project:nbdkit:1.24.4
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cpe:2.3:a:nbdkit_project:nbdkit:1.24.5
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cpe:2.3:a:nbdkit_project:nbdkit:1.25.1
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cpe:2.3:a:nbdkit_project:nbdkit:1.25.2
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cpe:2.3:a:nbdkit_project:nbdkit:1.25.3
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cpe:2.3:a:nbdkit_project:nbdkit:1.25.4
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cpe:2.3:a:nbdkit_project:nbdkit:1.25.5
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cpe:2.3:a:nbdkit_project:nbdkit:1.25.6
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cpe:2.3:a:nbdkit_project:nbdkit:1.25.7
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cpe:2.3:a:nbdkit_project:nbdkit:1.25.8
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cpe:2.3:a:nbdkit_project:nbdkit:1.25.9
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cpe:2.3:a:nbdkit_project:nbdkit:1.26.0
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cpe:2.3:a:nbdkit_project:nbdkit:1.26.1
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cpe:2.3:a:nbdkit_project:nbdkit:1.26.2
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cpe:2.3:a:nbdkit_project:nbdkit:1.26.3
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cpe:2.3:a:nbdkit_project:nbdkit:1.26.4
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cpe:2.3:a:nbdkit_project:nbdkit:1.27.1
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cpe:2.3:a:nbdkit_project:nbdkit:1.27.2
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cpe:2.3:a:nbdkit_project:nbdkit:1.27.3
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cpe:2.3:a:nbdkit_project:nbdkit:1.27.4
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cpe:2.3:a:nbdkit_project:nbdkit:1.27.5
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cpe:2.3:o:redhat:enterprise_linux:8.0