{"cve":"CVE-2023-20897","nvd":{"published":"2023-09-05T11:15:32.973","modified":"2026-06-17T05:31:08.500","status":"Modified","description":"Salt masters prior to 3005.2 or 3006.2 contain a DOS in minion return. After receiving several bad packets on the request server equal to the number of worker threads, the master will become unresponsive to return requests until restarted.","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:L","score":5.3},"cwes":["CWE-404"],"references":["https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OMWJIHQZXHK6FH2E3IWAZCYIRI7FLVOL/","https://saltproject.io/security-announcements/2023-08-10-advisory/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OMWJIHQZXHK6FH2E3IWAZCYIRI7FLVOL/","https://saltproject.io/security-announcements/2023-08-10-advisory/"],"products":["saltstack:salt"],"source":"nvd","synced_at":"2026-10-19T21:39:24.235896374+00:00"},"epss":{"cve":"CVE-2023-20897","score":0.01245,"percentile":0.69287,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-vpjg-wmf8-29h9","url":"https://osv.dev/vulnerability/GHSA-vpjg-wmf8-29h9","summary":"Salt vulnerable to denial of service","modified":"2025-02-13T19:36:48.098102Z","packages":[{"ecosystem":"PyPI","name":"salt","purl":"pkg:pypi/salt","ranges":["<3005.2"],"fixed":["3005.2"]},{"ecosystem":"PyPI","name":"salt","purl":"pkg:pypi/salt","ranges":[">=3006.0rc1 <3006.2"],"fixed":["3006.2"]}]},{"id":"PYSEC-2023-166","url":"https://osv.dev/vulnerability/PYSEC-2023-166","summary":"","modified":"2026-06-10T17:02:40.153819414Z","packages":[{"ecosystem":"PyPI","name":"salt","purl":"pkg:pypi/salt","ranges":[">=3006.0 <3006.2","<3005.2"],"fixed":["3006.2","3005.2"]}]}],"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."]}