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CVE-2023-28452

20
FAUCET Score

CVE-2023-28452 is a denial-of-service vulnerability affecting CoreDNS versions up to 1.10.1. An attacker can exploit this flaw by forging DNS responses, causing the resolver to ignore valid responses and disrupt normal DNS resolution. Rated High severity with a CVSS score of 7.5, the attack requires no authentication or user interaction and can be executed remotely, leading to high availability impact. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.10.1CPE matchmatch criteria
cpe:2.3:a:coredns.io:coredns:*:*:*:*:*:*:*:*

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:N/A:H

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

Exploit Intelligence

EPSS Score
0.61%
Probability of exploitation in next 30 days
EPSS Percentile
45.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0061 is in the 22nd percentile among its peer group of 51,553 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

Patch Available

Vendor Patches (1)

gopatch availablevia ghsa
Product: github.com/coredns/corednsFixed in: 1.11.0

Vendor Advisories (1)

goGHSA-hfmw-7g3m-gj6qhigh

CoreDNS vulnerable to TuDoor Attacks

Sep 18, 2024

References

coredns.io
Product
gist.github.com / idealeer/e41c7fb3b661d4262d0b6f21e12168ba
Third Party Advisory