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Vulnerability record · CVE-2023-20897 · published 5 September 2023

CVE-2023-20897: Saltstack salt improper resource shutdown vulnerability

Saltstack · Salt

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.

5.3 CVSS 3.1 Medium EPSS 1.2% · top 31.9% CWE-404 · Improper resource shutdown
5.3CVSS 3.1 base score
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.fedoraproject.org/archives/list/[email protected]/message/OMWJIHQZXHK6FH2E3IWAZCYIR
https://saltproject.io/security-announcements/2023-08-10-advisory/ Vendor Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/OMWJIHQZXHK6FH2E3IWAZCYIR
https://saltproject.io/security-announcements/2023-08-10-advisory/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-20897), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.