CVE-2022-32983
Knot Resolver through 5.5.1 may allow DNS cache poisoning when there is an attempt to limit...
Knot Resolver through 5.5.1 may allow DNS cache poisoning when there is an attempt to limit forwarding actions by filters.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Knot Resolver through 5.5.1 may allow DNS cache poisoning when there is an attempt to limit forwarding actions by filters.
- Record
CVE-2022-32983- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-290
- Updated
- 2026-11-02
CVE List No score
Knot Resolver through 5.5.1 may allow DNS cache poisoning when there is an attempt to limit forwarding actions by filters.
- Record
CVE-2022-32983- Updated
- 2026-11-02
EUVDEUVD-2022-36049 No score
Knot Resolver through 5.5.1 may allow DNS cache poisoning when there is an attempt to limit forwarding actions by filters.
- Record
EUVD-2022-36049- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p3g6-9xqh-3vvh
Knot Resolver through 5.5.1 may allow DNS cache poisoning when there is an attempt to limit...
Knot Resolver through 5.5.1 may allow DNS cache poisoning when there is an attempt to limit forwarding actions by filters.
- Record
GHSA-p3g6-9xqh-3vvh- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-290
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2022-32983
Knot Resolver through 5.5.1 may allow DNS cache poisoning when there is an attempt to limit forwarding actions by filters.
- Record
DEBIAN-CVE-2022-32983- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-03
OSVUBUNTU-CVE-2022-32983
Knot Resolver through 5.5.1 may allow DNS cache poisoning when there is an attempt to limit forwarding actions by filters.
- Record
UBUNTU-CVE-2022-32983- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSV No score
Knot Resolver through 5.5.1 may allow DNS cache poisoning when there is an attempt to limit forwarding actions by filters.
- Record
CVE-2022-32983- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
knot-resolverDebian:12 |
All versions, plus listed versions 5.6.0-15.6.0-1+deb12u15.6.0-1.15.7.0-15.7.1-1 Show 26 moreShow less5.7.2-15.7.3-15.7.3-25.7.4-15.7.4-25.7.5-16.0.10-16.0.12-16.0.13-16.0.14-16.0.15-16.0.15-26.0.15-36.0.15-46.0.17-16.0.9-16.1.0-16.1.0-26.2.0-16.2.0-26.3.0-16.4.0-16.4.1-16.4.2-16.5.0-16.5.0-2 |
None known |
knot-resolverDebian:13 |
All versions, plus listed versions 5.7.5-16.0.10-16.0.12-16.0.13-16.0.14-1 Show 16 moreShow less6.0.15-16.0.15-26.0.15-36.0.15-46.0.17-16.0.9-16.1.0-16.1.0-26.2.0-16.2.0-26.3.0-16.4.0-16.4.1-16.4.2-16.5.0-16.5.0-2 |
None known |
knot-resolverDebian:14 |
All versions, plus listed versions 5.7.5-16.0.10-16.0.12-16.0.13-16.0.14-1 Show 16 moreShow less6.0.15-16.0.15-26.0.15-36.0.15-46.0.17-16.0.9-16.1.0-16.1.0-26.2.0-16.2.0-26.3.0-16.4.0-16.4.1-16.4.2-16.5.0-16.5.0-2 |
None known |
knot-resolverUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 1.0.0~beta2-123-g6134920-11.0.0~beta3-11.0.0~beta3-1ubuntu0.1~esm1 |
None known |
knot-resolverUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 1.3.3-11.5.0-41.5.1-11.5.2-12.0.0-3 Show 4 moreShow less2.1.0-12.1.0-22.1.1-12.1.1-1ubuntu0.1~esm2 |
None known |
knot-resolverUbuntu:20.04:LTS |
All versions, plus listed versions 3.2.1-33.2.1-3ubuntu13.2.1-3ubuntu23.2.1-3ubuntu2.13.2.1-3ubuntu2.2 |
None known |
knot-resolverUbuntu:Pro:22.04:LTS |
All versions, plus listed versions 5.3.1-15.4.2-15.4.3-15.4.4-15.4.4-1ubuntu0.1~esm1 |
None known |
knot-resolverUbuntu:24.04:LTS |
All versions, plus listed versions 5.6.0-1.15.7.0-1build15.7.1-15.7.2-1 |
None known |
knot-resolverUbuntu:25.10 |
All versions, plus listed versions 5.7.4-2build15.7.5-1 |
None known |
knot-resolverUbuntu:26.10 |
All versions, plus listed versions 6.2.0-26.3.0-16.4.0-16.4.1-16.4.2-1 |
None known |
knot-resolverUbuntu:26.04:LTS |
All versions, plus listed versions 5.7.5-16.0.15-4build16.0.17-16.2.0-2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-32983 is a medium vulnerability (CVSS 5.3) in Nic Knot Resolver, published June 20, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.76%, the 55th percentile. No source names a fixed version.
References
github.com/CZ-NIC/knot-resolver/commit/ccb9d9794db5eb757c33becf65cb1cf48ecfd968
knot-resolver.readthedocs.io/en/stable/modules-policy.html
nvd.nist.gov/vuln/detail/CVE-2022-32983
security-tracker.debian.org/tracker/CVE-2022-32983
ubuntu.com/security/CVE-2022-32983
cve.org/CVERecord?id=CVE-2022-32983