{"cve":"CVE-2023-28452","nvd":{"published":"2024-09-18T15:15:13.957","modified":"2026-06-17T05:47:46.137","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-290"],"references":["https://coredns.io/","https://gist.github.com/idealeer/e41c7fb3b661d4262d0b6f21e12168ba"],"products":["coredns.io:coredns"],"source":"nvd","synced_at":"2026-10-19T21:54:38.012257375+00:00"},"epss":{"cve":"CVE-2023-28452","score":0.00613,"percentile":0.49381,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-hfmw-7g3m-gj6q","url":"https://osv.dev/vulnerability/GHSA-hfmw-7g3m-gj6q","summary":"CoreDNS vulnerable to TuDoor Attacks","modified":"2026-09-10T03:50:18.191086126Z","packages":[{"ecosystem":"Go","name":"github.com/coredns/coredns","purl":"pkg:golang/github.com/coredns/coredns","ranges":["<1.11.0"],"fixed":["1.11.0"]}]},{"id":"GO-2024-3130","url":"https://osv.dev/vulnerability/GO-2024-3130","summary":"CoreDNS vulnerable to TuDoor Attacks in github.com/coredns/coredns","modified":"2026-02-04T04:30:50.502509Z","packages":[{"ecosystem":"Go","name":"github.com/coredns/coredns","purl":"pkg:golang/github.com/coredns/coredns","ranges":["<1.11.0"],"fixed":["1.11.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}