Is CVE-2023-22617 in the CISA KEV catalog?

No. CVE-2023-22617 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-22617?

CVE-2023-22617 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-22617?

CVE-2023-22617 has an EPSS score of 7.32% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-22617?

Upgrade pdns-recursor on debian 12 to 4.8.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2023-22617

HIGHEPSS 94th pctl

7.5

CVSS v3

NVD

Description

A remote attacker might be able to cause infinite recursion in PowerDNS Recursor 4.8.0 via a DNS query that retrieves DS records for a misconfigured domain, because QName minimization is used in QM fallback mode. This is fixed in 4.8.1.

CWE-674

How to fix

Remediation Available

pdns-recursorDebian

Fixed in:4.8.1-1CVE-2023-22617

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

7.32%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Vendor Advisory2

Third-Party Advisory1

openwall.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-04-03.