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CVE-2022-30256

25
FAUCET Score

CVE-2022-30256 is a vulnerability in MaraDNS Deadwood versions through 3.5.0021 that allows for unintended resolution of revoked, expired, or taken-down domain names. This issue has a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity and high impact on integrity, as it can lead to widespread and long-lasting resolution of potentially malicious domains. Despite its high severity and potential for widespread impact, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.4.03CPE matchmatch criteria
cpe:2.3:a:maradns:maradns:*:*:*:*:*:*:*:*
>= 3.5.0, < 3.5.0022CPE matchmatch criteria
cpe:2.3:a:maradns:maradns:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.90%
Probability of exploitation in next 30 days
EPSS Percentile
55.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0090 is in the 31st percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

lists.debian.org / debian-lts-announce/2023/06/msg00019.html
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/3VSMLJX25MXGQ6A7UPOGK7VPUVDESPHL
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/NB7LDZM5AGWC5BHHQHW6CP5OFNBBKFOQ
maradns.samiam.org
ProductVendor Advisory
maradns.samiam.org / security.html
Vendor Advisory
debian.org / security/2023/dsa-5441