5.3

CVE-2022-32983: nic knot_resolver Authentication Bypass by Spoofing

CVSS: 5.3v3.1MediumModified
AliasesUBUNTU-CVE-2022-32983DEBIAN-CVE-2022-32983
Published 20-06-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-32983 is a medium (CVSS 5.3) Authentication Bypass by Spoofing vulnerability in nic knot_resolver. EPSS estimates a 0.76% chance of exploitation in the next 30 days, higher than 54.5% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.76%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-06-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Knot Resolver through 5.5.1 may allow DNS cache poisoning when there is an attempt to limit forwarding actions by filters.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.76%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

+0.02 pp

From 0.74% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.76%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • knot-resolverAll versions (No fix recorded)
Nic1 product
Ubuntu1 product
  • knot-resolverAll versions (No fix recorded)

3 vendors · 3 products

References

5 links