How severe is CVE-2023-28452?

CVE-2023-28452 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 none, and availability high.

Is CVE-2023-28452 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28452?

CVE-2023-28452 affects Coredns.io Coredns. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-28452?

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.

Does CVE-2023-28452 have an EU (EUVD) identifier?

Yes. CVE-2023-28452 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2811.

When was CVE-2023-28452 published?

CVE-2023-28452 was published on 2024-09-18 and last updated on 2026-06-17.

CVE-2023-28452

CVE-2023-28452 is a high-severity vulnerability in Coredns.io Coredns 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. The underlying weakness is classified as CWE-290.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-2811
Weakness: CWE-290
Affected product: Coredns.io Coredns
Published: 2024-09-18
Last modified: 2026-06-17

Description

An issue was discovered in CoreDNS through 1.10.1. There is a vulnerability in DNS resolving software, which triggers a resolver to ignore valid responses, thus causing denial of service for normal resolution. In an exploit, the attacker could just forge a response targeting the source port of a vulnerable resolver without the need to guess the correct TXID.

Frequently asked questions

What is CVE-2023-28452?: An issue was discovered in CoreDNS through 1.10.1. There is a vulnerability in DNS resolving software, which triggers a resolver to ignore valid responses, thus causing denial of service for normal resolution. In an exploit, the attacker could just forge a response targeting the source port of a vulnerable resolver without the need to guess the correct TXID.
How severe is CVE-2023-28452?: CVE-2023-28452 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 none, and availability high.
Is CVE-2023-28452 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28452?: CVE-2023-28452 affects Coredns.io Coredns. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-28452?: 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.
Does CVE-2023-28452 have an EU (EUVD) identifier?: Yes. CVE-2023-28452 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2811.
When was CVE-2023-28452 published?: CVE-2023-28452 was published on 2024-09-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:coredns.io:coredns:*:*:*:*:*:*:*:*

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