Cyber Resilience

CVE-2022-30256

High

Published: 19 November 2022

Published
19 November 2022
Modified
29 April 2025
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS Score 0.0066 71.6th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-30256 is a high-severity Operation on a Resource after Expiration or Release (CWE-672) vulnerability in Maradns Maradns. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 28.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An issue was discovered in MaraDNS Deadwood through 3.5.0021 that allows variant V1 of unintended domain name resolution. A revoked domain name can still be resolvable for a long time, including expired domains and taken-down malicious domains. The effects of…

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an exploit would be widespread and highly impactful, because the exploitation conforms to de facto DNS specifications and operational practices, and overcomes current mitigation patches for "Ghost" domain names.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

maradns
maradns
≤ 3.4.03 · 3.5.0 — 3.5.0022

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References