CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2020-12667

Knot Resolver before 5.1.1 allows traffic amplification via a crafted DNS answer from an attacker-controlled server, aka an "NXNSAttack" issue. This is triggered by random subdomains in the NSDNAME in NS records.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.005

EPSS Ranking 66.7%

CVSS Severity

CVSS v3 Score 7.5

CVSS v2 Score 5.0

References

Products affected by CVE-2020-12667

Nic » Knot Resolver » Version: N/A

cpe:2.3:a:nic:knot_resolver:-
Nic » Knot Resolver » Version: 1.0.0

cpe:2.3:a:nic:knot_resolver:1.0.0
Nic » Knot Resolver » Version: 1.1.0

cpe:2.3:a:nic:knot_resolver:1.1.0
Nic » Knot Resolver » Version: 1.1.1

cpe:2.3:a:nic:knot_resolver:1.1.1
Nic » Knot Resolver » Version: 1.2.0

cpe:2.3:a:nic:knot_resolver:1.2.0
Nic » Knot Resolver » Version: 1.2.1

cpe:2.3:a:nic:knot_resolver:1.2.1
Nic » Knot Resolver » Version: 1.2.2

cpe:2.3:a:nic:knot_resolver:1.2.2
Nic » Knot Resolver » Version: 1.2.3

cpe:2.3:a:nic:knot_resolver:1.2.3
Nic » Knot Resolver » Version: 1.2.4

cpe:2.3:a:nic:knot_resolver:1.2.4
Nic » Knot Resolver » Version: 1.2.5

cpe:2.3:a:nic:knot_resolver:1.2.5
Nic » Knot Resolver » Version: 1.2.6

cpe:2.3:a:nic:knot_resolver:1.2.6
Nic » Knot Resolver » Version: 1.3.0

cpe:2.3:a:nic:knot_resolver:1.3.0
Nic » Knot Resolver » Version: 1.3.1

cpe:2.3:a:nic:knot_resolver:1.3.1
Nic » Knot Resolver » Version: 1.3.2

cpe:2.3:a:nic:knot_resolver:1.3.2
Nic » Knot Resolver » Version: 1.3.3

cpe:2.3:a:nic:knot_resolver:1.3.3
Nic » Knot Resolver » Version: 1.4.0

cpe:2.3:a:nic:knot_resolver:1.4.0
Nic » Knot Resolver » Version: 1.5.0

cpe:2.3:a:nic:knot_resolver:1.5.0
Nic » Knot Resolver » Version: 1.5.1

cpe:2.3:a:nic:knot_resolver:1.5.1
Nic » Knot Resolver » Version: 1.5.2

cpe:2.3:a:nic:knot_resolver:1.5.2
Nic » Knot Resolver » Version: 1.5.3

cpe:2.3:a:nic:knot_resolver:1.5.3
Nic » Knot Resolver » Version: 1.99.1

cpe:2.3:a:nic:knot_resolver:1.99.1
Nic » Knot Resolver » Version: 2.0.0

cpe:2.3:a:nic:knot_resolver:2.0.0
Nic » Knot Resolver » Version: 2.1.0

cpe:2.3:a:nic:knot_resolver:2.1.0
Nic » Knot Resolver » Version: 2.1.1

cpe:2.3:a:nic:knot_resolver:2.1.1
Nic » Knot Resolver » Version: 2.2.0

cpe:2.3:a:nic:knot_resolver:2.2.0
Nic » Knot Resolver » Version: 2.3.0

cpe:2.3:a:nic:knot_resolver:2.3.0
Nic » Knot Resolver » Version: 2.4.0

cpe:2.3:a:nic:knot_resolver:2.4.0
Nic » Knot Resolver » Version: 2.4.1

cpe:2.3:a:nic:knot_resolver:2.4.1
Nic » Knot Resolver » Version: 3.0.0

cpe:2.3:a:nic:knot_resolver:3.0.0
Nic » Knot Resolver » Version: 3.1.0

cpe:2.3:a:nic:knot_resolver:3.1.0
Nic » Knot Resolver » Version: 3.2.0

cpe:2.3:a:nic:knot_resolver:3.2.0
Nic » Knot Resolver » Version: 3.2.1

cpe:2.3:a:nic:knot_resolver:3.2.1
Nic » Knot Resolver » Version: 4.0.0

cpe:2.3:a:nic:knot_resolver:4.0.0
Nic » Knot Resolver » Version: 4.1.0

cpe:2.3:a:nic:knot_resolver:4.1.0
Nic » Knot Resolver » Version: 4.2.0

cpe:2.3:a:nic:knot_resolver:4.2.0
Nic » Knot Resolver » Version: 4.2.1

cpe:2.3:a:nic:knot_resolver:4.2.1
Nic » Knot Resolver » Version: 4.2.2

cpe:2.3:a:nic:knot_resolver:4.2.2
Nic » Knot Resolver » Version: 4.3.0

cpe:2.3:a:nic:knot_resolver:4.3.0
Nic » Knot Resolver » Version: 5.0.0

cpe:2.3:a:nic:knot_resolver:5.0.0
Nic » Knot Resolver » Version: 5.0.1

cpe:2.3:a:nic:knot_resolver:5.0.1

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2020-12667

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