5.3

CVE-2023-20897: saltstack salt Improper Resource Shutdown or Release

CVSS: 5.3v3.1MediumModified
AliasesGHSA-vpjg-wmf8-29h9PYSEC-2023-166UBUNTU-CVE-2023-20897
Published 05-09-2023Last modified 13-02-2025
Open JSON

Vulnerability summary

CVE-2023-20897 is a medium (CVSS 5.3) Improper Resource Shutdown or Release vulnerability in saltstack salt. EPSS estimates a 1.24% chance of exploitation in the next 30 days, higher than 68.8% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
1.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 10 · Related 10
SUSE-EL-9-CLIENT-TOOLS-2023-3884SUSE-SU-2023:3862-1SUSE-SU-2023:3863-1SUSE-SU-2023:3864-1SUSE-SU-2023:3865-1SUSE-SU-2023:3866-1

Timeline

  1. 05-09-2023
    PublishedVulnerability first disclosed.
  2. 13-02-2025
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

1.24%

Chance of exploitation in the next 30 days

Percentile

69%

Versus all other CVEs

30-day change

0.00 pp

From 1.24% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.24%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

PyPI1 product
  • salt≥ 3006.0rc1, < 3006.2 | < 3005.2
Saltstack1 product
  • salt< 3005.2 | ≥ 3006.0, < 3006.2
Ubuntu1 product
  • saltAll versions (No fix recorded)

3 vendors · 3 products

References

10 links