Read the docs

CZ.NIC

Records21All Threatist records
Exploited (KEV)0None in CISA KEV
CVSS critical1CVSS 9.0–10.0
CVSS high13CVSS 7.0–8.9

Exploited now

CZ.NIC records in CISA KEV

No CZ.NIC vulnerabilities are listed in CISA KEV.

Components

Products in the NVD configurations · select one to filter the records

Records

21 records

Priority LOW 37

A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using a…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.01932 Published 2019-07-16 No fix listed CWE-20
Priority LOW 37

A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.01993 Published 2019-07-16 No fix listed CWE-20
Priority LOW 36

Improper input validation bug in DNS resolver component of Knot Resolver before 2.4.1 allows remote attacker to poison cache.

CVSS 3.1MEDIUM 6.8 Network No auth No interaction EPSS 0.03239 Published 2018-08-02 Fixed in 2.4.1 CWE-20
TI-2018-01028 CVE-2018-1110 · GHSA-gv92-3p38-6rrw

Improper input validation in knot-resolver

Priority LOW 35

A flaw was found in knot-resolver before version 2.3.0.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.01243 Published 2021-03-30 No fix listed CWE-20
TI-2026-36792 CVE-2026-49943 · GHSA-64c8-8qx9-25r7

Stack-based buffer overflow in CZ.NIC BIRD

Priority LOW 28

CZ.NIC BIRD Internet Routing Daemon through 2.19.0 contains a stack-based buffer overflow in the BGP AS_PATH mask matching implementation in nest/a-path.c.

CVSS 3.1MEDIUM 6.3 Network Low privileges No interaction EPSS 0.003 Published 2026-06-02 No fix listed CWE-121
Priority LOW 12

An IPv6 FlowSpec validation bypass in the CZ.NIC BIRD Internet Routing Daemon allows an established BGP peer to inject FlowSpec rules matching destinations outside the address space authorized by the unicast-route valida…

CVSS 4.0LOW 2.3 Network Low privileges No interaction EPSS 0.00308 Published 2026-10-18 No fix listed CWE-1284
Open these records in search →