HOMEVULNERABILITIESCVE-2020-28243
HIGH

CVE-2020-28243

CWE-77Published: February 27, 2021· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

An issue was discovered in SaltStack Salt before 3002.5. The minion's restartcheck is vulnerable to command injection via a crafted process name. This allows for a local privilege escalation by any user able to create a files on the minion in a non-blacklisted directory.

NVD Source

Technical Analysis

CVE-2020-28243 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Debian1 product(s)
debian linux
Fedora1 product(s)
fedora
saltstack1 product(s)
salt
Source: NVD CPE · 7 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

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

All References (22)

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

Quick Facts

CVE IDCVE-2020-28243
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-77
CISA KEVNo
Affected3 vendor(s)
PublishedFeb 27, 2021

Related CVEs (CWE-77)

CVE-2013-2810
10.0
CVE-2014-9188
10.0
CVE-2024-20418
10.0
CVE-2024-48841
10.0
CVE-2025-15379
10.0
CVE-2015-7541
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-28243 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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