{"id":"CVE-2023-29487","aliases":["EUVD-2023-33054","GHSA-9jxf-24g6-463j"],"status":"disputed","title":"An issue was discovered in Heimdal Thor agent versions 3.4.2 and before on Windows and 2.6.9 and...","description":"An issue was discovered in Heimdal Thor agent versions 3.4.2 and before on Windows and 2.6.9 and before on macOS, allows attackers to cause a denial of service (DoS) via the Threat To Process Correlation threat prevention module. NOTE: Heimdal asserts this is not a valid vulnerability. Their DNS Security for Endpoint solution includes an optional feature to provide extra information on the originating process that made a DNS request. The lack of process identification in DNS logs is therefore falsely categorized as a DoS issue.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00658,"percentile":0.51781,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1333"],"published":"2023-12-21T00:00:00Z","modified":"2026-06-17T05:50:12Z","products":[{"vendor":"heimdalsecurity","product":"thor"}],"references":[{"url":"https://medium.com/%40drabek.a/weaknesses-in-heimdal-thors-line-of-products-9d0e5095fb93","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-29487"},{"url":"https://github.com/advisories/GHSA-9jxf-24g6-463j"}],"sources":{"cve":[{"id":"CVE-2023-29487","description":"An issue was discovered in Heimdal Thor agent versions 3.4.2 and before on Windows and 2.6.9 and before on macOS, allows attackers to cause a denial of service (DoS) via the Threat To Process Correlation threat prevention module. NOTE: Heimdal asserts this is not a valid vulnerability. Their DNS Security for Endpoint solution includes an optional feature to provide extra information on the originating process that made a DNS request. The lack of process identification in DNS logs is therefore falsely categorized as a DoS issue.","status":"disputed","published":"2023-12-21T00:00:00Z","modified":"2024-11-26T16:17:20.185Z","updated_at":"2026-11-02T14:35:28.218693Z"}],"euvd":[{"id":"EUVD-2023-33054","description":"An issue was discovered in Heimdal Thor agent versions 3.4.2 and before on Windows and 2.6.9 and before on macOS, allows attackers to cause a denial of service (DoS) via the Threat To Process Correlation threat prevention module. NOTE: Heimdal asserts this is not a valid vulnerability. Their DNS Security for Endpoint solution includes an optional feature to provide extra information on the originating process that made a DNS request. The lack of process identification in DNS logs is therefore falsely categorized as a DoS issue.","status":"published","published":"2023-12-21T00:00:00Z","modified":"2024-11-26T16:17:20Z","updated_at":"2026-11-03T00:04:46.610778Z"}],"ghsa":[{"id":"GHSA-9jxf-24g6-463j","title":"An issue was discovered in Heimdal Thor agent versions 3.4.2 and before on Windows and 2.6.9 and...","description":"An issue was discovered in Heimdal Thor agent versions 3.4.2 and before on Windows and 2.6.9 and before on macOS, allows attackers to cause a denial of service (DoS) via the Threat To Process Correlation threat prevention module.","status":"published","published":"2023-12-21T03:30:33Z","modified":"2024-01-04T15:30:22Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:55:19.778382Z"}],"nvd":[{"id":"CVE-2023-29487","description":"An issue was discovered in Heimdal Thor agent versions 3.4.2 and before on Windows and 2.6.9 and before on macOS, allows attackers to cause a denial of service (DoS) via the Threat To Process Correlation threat prevention module. NOTE: Heimdal asserts this is not a valid vulnerability. Their DNS Security for Endpoint solution includes an optional feature to provide extra information on the originating process that made a DNS request. The lack of process identification in DNS logs is therefore falsely categorized as a DoS issue.","status":"disputed","published":"2023-12-21T01:15:32.897Z","modified":"2026-06-17T05:50:12.397Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-1333"],"updated_at":"2026-11-02T14:08:57.117371Z"}]}}