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Package Instance

Lookup for vulnerable packages by Package URL.

Purlpkg:deb/debian/knot-resolver@5.1.1-0.1?distro=trixie
Typedeb
Namespacedebian
Nameknot-resolver
Version5.1.1-0.1
Qualifiers
distro trixie
Subpath
Is_vulnerablefalse
Next_non_vulnerable_version5.4.1-2
Latest_non_vulnerable_version6.2.0-2
Affected_by_vulnerabilities
Fixing_vulnerabilities
0
url VCID-2wu3-v2hz-q3bv
vulnerability_id VCID-2wu3-v2hz-q3bv
summary 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.
references
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2020-12667
reference_id
reference_type
scores
0
value 0.01022
scoring_system epss
scoring_elements 0.77187
published_at 2026-04-01T12:55:00Z
1
value 0.01022
scoring_system epss
scoring_elements 0.77193
published_at 2026-04-02T12:55:00Z
2
value 0.01022
scoring_system epss
scoring_elements 0.77222
published_at 2026-04-04T12:55:00Z
3
value 0.01022
scoring_system epss
scoring_elements 0.77204
published_at 2026-04-07T12:55:00Z
4
value 0.01022
scoring_system epss
scoring_elements 0.77236
published_at 2026-04-08T12:55:00Z
5
value 0.01022
scoring_system epss
scoring_elements 0.77244
published_at 2026-04-09T12:55:00Z
6
value 0.01022
scoring_system epss
scoring_elements 0.77271
published_at 2026-04-11T12:55:00Z
7
value 0.01022
scoring_system epss
scoring_elements 0.7725
published_at 2026-04-12T12:55:00Z
8
value 0.01022
scoring_system epss
scoring_elements 0.77247
published_at 2026-04-13T12:55:00Z
9
value 0.01022
scoring_system epss
scoring_elements 0.77287
published_at 2026-04-18T12:55:00Z
10
value 0.01022
scoring_system epss
scoring_elements 0.77279
published_at 2026-04-21T12:55:00Z
11
value 0.01022
scoring_system epss
scoring_elements 0.77314
published_at 2026-04-24T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2020-12667
1
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12667
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12667
2
reference_url http://cyber-security-group.cs.tau.ac.il/#
reference_id #
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-04-26T17:02:23Z/
url http://cyber-security-group.cs.tau.ac.il/#
3
reference_url http://www.openwall.com/lists/oss-security/2020/05/19/2
reference_id 2
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-04-26T17:02:23Z/
url http://www.openwall.com/lists/oss-security/2020/05/19/2
4
reference_url https://www.knot-resolver.cz/2020-05-19-knot-resolver-5.1.1.html
reference_id 2020-05-19-knot-resolver-5.1.1.html
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-04-26T17:02:23Z/
url https://www.knot-resolver.cz/2020-05-19-knot-resolver-5.1.1.html
5
reference_url https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/76Y4FITMOH6RVPWAANGV7NB2ZHPJJGDQ/
reference_id 76Y4FITMOH6RVPWAANGV7NB2ZHPJJGDQ
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-04-26T17:02:23Z/
url https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/76Y4FITMOH6RVPWAANGV7NB2ZHPJJGDQ/
6
reference_url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=961076
reference_id 961076
reference_type
scores
url https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=961076
7
reference_url https://lists.debian.org/debian-lts-announce/2024/04/msg00017.html
reference_id msg00017.html
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-04-26T17:02:23Z/
url https://lists.debian.org/debian-lts-announce/2024/04/msg00017.html
8
reference_url https://en.blog.nic.cz/2020/05/19/nxnsattack-upgrade-resolvers-to-stop-new-kind-of-random-subdomain-attack/
reference_id nxnsattack-upgrade-resolvers-to-stop-new-kind-of-random-subdomain-attack
reference_type
scores
0
value 7.5
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1
value Track
scoring_system ssvc
scoring_elements SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-04-26T17:02:23Z/
url https://en.blog.nic.cz/2020/05/19/nxnsattack-upgrade-resolvers-to-stop-new-kind-of-random-subdomain-attack/
9
reference_url https://usn.ubuntu.com/7047-1/
reference_id USN-7047-1
reference_type
scores
url https://usn.ubuntu.com/7047-1/
fixed_packages
0
url pkg:deb/debian/knot-resolver@5.1.1-0.1?distro=trixie
purl pkg:deb/debian/knot-resolver@5.1.1-0.1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/knot-resolver@5.1.1-0.1%3Fdistro=trixie
1
url pkg:deb/debian/knot-resolver@5.3.1-1%2Bdeb11u1?distro=trixie
purl pkg:deb/debian/knot-resolver@5.3.1-1%2Bdeb11u1?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-66sa-bc5p-jqde
1
vulnerability VCID-c7c5-awxv-j3de
2
vulnerability VCID-efrw-bm7j-6qgz
3
vulnerability VCID-ps4g-f1q9-wqhm
4
vulnerability VCID-vprj-j7u6-zbe7
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/knot-resolver@5.3.1-1%252Bdeb11u1%3Fdistro=trixie
2
url pkg:deb/debian/knot-resolver@5.6.0-1%2Bdeb12u1?distro=trixie
purl pkg:deb/debian/knot-resolver@5.6.0-1%2Bdeb12u1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/knot-resolver@5.6.0-1%252Bdeb12u1%3Fdistro=trixie
3
url pkg:deb/debian/knot-resolver@5.7.5-1?distro=trixie
purl pkg:deb/debian/knot-resolver@5.7.5-1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/knot-resolver@5.7.5-1%3Fdistro=trixie
4
url pkg:deb/debian/knot-resolver@6.2.0-2?distro=trixie
purl pkg:deb/debian/knot-resolver@6.2.0-2?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/knot-resolver@6.2.0-2%3Fdistro=trixie
aliases CVE-2020-12667
risk_score 3.4
exploitability 0.5
weighted_severity 6.8
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-2wu3-v2hz-q3bv
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:deb/debian/knot-resolver@5.1.1-0.1%3Fdistro=trixie