5.9

CVE-2020-28972: debian debian_linux Improper Certificate Validation

CVSS: 5.9v3.1MediumModified
AliasesGHSA-w589-r335-4f55PYSEC-2021-74UBUNTU-CVE-2020-28972
Published 27-02-2021Last modified 04-08-2024

Vulnerability summary

CVE-2020-28972 is a medium (CVSS 5.9) Improper Certificate Validation vulnerability in debian debian_linux. EPSS estimates a 3.08% chance of exploitation in the next 30 days, higher than 87.5% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.1 (NVD)
EPSS score
3.08%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 12 · Related 11

Timeline

  1. 27-02-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

In SaltStack Salt before 3002.5, authentication to VMware vcenter, vsphere, and esxi servers (in the vmware.py files) does not always validate the SSL/TLS certificate.

CVSS metrics

5 scores · 3 sources · 3 versions

EPSS trend

Probability

3.08%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

-0.01 pp

From 3.09% on 21-09-2026

21-09-202621-10-2026
EPSS score
3.08%

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

Debian1 product
Fedoraproject1 product
PyPI1 product
  • salt< 2015.8.13 | ≥ 2016.3.0, < 2016.11.5 | ≥ 2016.11.7, < 2016.11.10 | ≥ 2017.5.0, < 2017.7.8 | ≥ 2018.2.0, ≤ 2018.3.5 | ≥ 2019.2.0, < 2019.2.8 | ≥ 3000, < 3000.7 | ≥ 3001, < 3001.5 | ≥ 3002, < 3002.3 | ≥ 3002, < 3002.5
Saltstack1 product
  • salt< 2015.8.10 | ≥ 2015.8.11, < 2015.8.13 | ≥ 2016.3.0, < 2016.3.4 | ≥ 2016.3.5, < 2016.3.6 | ≥ 2016.3.7, < 2016.3.8 | ≥ 2016.3.9, < 2016.11.3 | ≥ 2016.11.4, < 2016.11.5 | ≥ 2016.11.7, < 2016.11.10 | ≥ 2017.5.0, < 2017.7.8 | ≥ 2018.2.0, ≤ 2018.3.5 | ≥ 2019.2.0, < 2019.2.5 | ≥ 2019.2.6, < 2019.2.8 | ≥ 3000, < 3000.6 | ≥ 3001, < 3001.4 | ≥ 3002, < 3002.5
Ubuntu1 product
  • saltAll versions (No fix recorded) | < 2015.8.8+ds-1ubuntu0.1+esm2 | < 2017.7.4+dfsg1-1ubuntu18.04.2+esm1

5 vendors · 5 products

References

29 links
Show all 29 references