How severe is CVE-2022-22846?

CVE-2022-22846 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2022-22846 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-22846?

CVE-2022-22846 affects Dnslib Project Dnslib. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-22846?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-22846 published?

CVE-2022-22846 was published on 2022-01-10 and last updated on 2026-06-17.

CVE-2022-22846

CVE-2022-22846 is a high-severity vulnerability in Dnslib Project Dnslib with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Dnslib Project Dnslib
Published: 2022-01-10
Last modified: 2026-06-17

Description

The dnslib package through 0.9.16 for Python does not verify that the ID value in a DNS reply matches an ID value in a query.

Frequently asked questions

What is CVE-2022-22846?: The dnslib package through 0.9.16 for Python does not verify that the ID value in a DNS reply matches an ID value in a query.
How severe is CVE-2022-22846?: CVE-2022-22846 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2022-22846 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-22846?: CVE-2022-22846 affects Dnslib Project Dnslib. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-22846?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-22846 published?: CVE-2022-22846 was published on 2022-01-10 and last updated on 2026-06-17.

References

https://github.com/paulc/dnslib/issues/30

Affected products (1)

cpe:2.3:a:dnslib_project:dnslib:*:*:*:*:*:python:*:*