Vulnerability Details CVE-2021-40083
Knot Resolver before 5.3.2 is prone to an assertion failure, triggerable by a remote attacker in an edge case (NSEC3 with too many iterations used for a positive wildcard proof).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 50.2%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
Products affected by CVE-2021-40083
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cpe:2.3:a:nic:knot_resolver:-
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cpe:2.3:a:nic:knot_resolver:1.0.0
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cpe:2.3:a:nic:knot_resolver:1.1.0
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cpe:2.3:a:nic:knot_resolver:1.1.1
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cpe:2.3:a:nic:knot_resolver:1.2.0
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cpe:2.3:a:nic:knot_resolver:1.2.1
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cpe:2.3:a:nic:knot_resolver:1.2.2
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cpe:2.3:a:nic:knot_resolver:1.2.3
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cpe:2.3:a:nic:knot_resolver:1.2.4
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cpe:2.3:a:nic:knot_resolver:1.2.5
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cpe:2.3:a:nic:knot_resolver:1.2.6
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cpe:2.3:a:nic:knot_resolver:1.3.0
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cpe:2.3:a:nic:knot_resolver:1.3.1
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cpe:2.3:a:nic:knot_resolver:1.3.2
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cpe:2.3:a:nic:knot_resolver:1.3.3
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cpe:2.3:a:nic:knot_resolver:1.4.0
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cpe:2.3:a:nic:knot_resolver:1.5.0
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cpe:2.3:a:nic:knot_resolver:1.5.1
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cpe:2.3:a:nic:knot_resolver:1.5.2
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cpe:2.3:a:nic:knot_resolver:1.5.3
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cpe:2.3:a:nic:knot_resolver:1.99.1
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cpe:2.3:a:nic:knot_resolver:2.0.0
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cpe:2.3:a:nic:knot_resolver:2.1.0
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cpe:2.3:a:nic:knot_resolver:2.1.1
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cpe:2.3:a:nic:knot_resolver:2.2.0
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cpe:2.3:a:nic:knot_resolver:2.3.0
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cpe:2.3:a:nic:knot_resolver:2.4.0
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cpe:2.3:a:nic:knot_resolver:2.4.1
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cpe:2.3:a:nic:knot_resolver:3.0.0
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cpe:2.3:a:nic:knot_resolver:3.1.0
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cpe:2.3:a:nic:knot_resolver:3.2.0
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cpe:2.3:a:nic:knot_resolver:3.2.1
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cpe:2.3:a:nic:knot_resolver:4.0.0
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cpe:2.3:a:nic:knot_resolver:4.1.0
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cpe:2.3:a:nic:knot_resolver:4.2.0
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cpe:2.3:a:nic:knot_resolver:4.2.1
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cpe:2.3:a:nic:knot_resolver:4.2.2
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cpe:2.3:a:nic:knot_resolver:4.3.0
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cpe:2.3:a:nic:knot_resolver:5.0.0
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cpe:2.3:a:nic:knot_resolver:5.0.1
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cpe:2.3:a:nic:knot_resolver:5.1.1