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CVE-2020-28243

27
FAUCET Score

CVE-2020-28243 is a local privilege escalation vulnerability affecting SaltStack Salt versions prior to 3002.5, specifically impacting the minion's restartcheck function through command injection via a crafted process name. This high-severity vulnerability (CVSS 7.8) allows any local user with file creation privileges on the minion to execute arbitrary commands, leading to full compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, the vulnerability has garnered some community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 2015.8.10CPE matchmatch criteria
cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*
>= 2015.8.11, < 2015.8.13CPE matchmatch criteria
cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*
>= 2016.3.0, < 2016.3.4CPE matchmatch criteria
cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*
>= 2016.3.5, < 2016.3.6CPE matchmatch criteria
cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*
>= 2016.3.7, < 2016.3.8CPE matchmatch criteria
cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.30%
Probability of exploitation in next 30 days
EPSS Percentile
90.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0430 is in the 98th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

pippatch availablevia ghsa
Product: saltFixed in: 2015.8.13
pippatch availablevia ghsa
Product: saltFixed in: 2016.11.5
pippatch availablevia ghsa
Product: saltFixed in: 2016.11.10
pippatch availablevia ghsa
Product: saltFixed in: 2017.7.8
pippatch availablevia ghsa
Product: saltFixed in: 2019.2.8
pippatch availablevia ghsa
Product: saltFixed in: 3000.7
pippatch availablevia ghsa
Product: saltFixed in: 3001.5
pippatch availablevia ghsa
Product: saltFixed in: 3002.3
redhatend of lifevia redhat_api
Product: Red Hat Ceph Storage 2Fixed in: salt

Vendor Advisories (2)

pipGHSA-phhw-3wc9-8q75high

SaltStack Salt command injection via a crafted process name

May 24, 2022
redhatCVE-2020-28243Important

salt: Privilege escalation on a minion when an unprivileged user is able to create files in any non-blacklisted directory

Feb 25, 2021

References

github.com / stealthcopter/CVE-2020-28243
ExploitThird Party Advisory
lists.debian.org / debian-lts-announce/2021/11/msg00009.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2022/01/msg00000.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/7GRVZ5WAEI3XFN2BDTL6DDXFS5HYSDVB
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/FUGLOJ6NXLCIFRD2JTXBYQEMAEF2B6XH
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/YOGNT2XWPOYV7YT75DN7PS4GIYWFKOK5
Mailing ListThird Party Advisory
saltproject.io / security_announcements/active-saltstack-cve-release-2021-feb-25
Vendor Advisory
sec.stealthcopter.com / cve-2020-28243
ExploitThird Party Advisory
security.gentoo.org / glsa/202103-01
Third Party Advisory
security.gentoo.org / glsa/202310-22
Third Party Advisory
debian.org / security/2021/dsa-5011
Third Party Advisory