Vulnerability Monitor

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CVE-2020-28243

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.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.8, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 3 products from saltstack, from fedoraproject, from debian organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2021-02-27T05:15:13.630

Last Modified

2024-11-21T05:22:30.490

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.4

Impact Score

6.4

Weaknesses

Type: Primary
CWE-77

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	saltstack	salt	< 2015.8.10	Yes
Application	saltstack	salt	< 2015.8.13	Yes
Application	saltstack	salt	< 2016.3.4	Yes
Application	saltstack	salt	< 2016.3.6	Yes
Application	saltstack	salt	< 2016.3.8	Yes
Application	saltstack	salt	< 2016.11.3	Yes
Application	saltstack	salt	< 2016.11.5	Yes
Application	saltstack	salt	< 2016.11.10	Yes
Application	saltstack	salt	< 2017.7.8	Yes
Application	saltstack	salt	≤ 2018.3.5	Yes
Application	saltstack	salt	< 2019.2.5	Yes
Application	saltstack	salt	< 2019.2.8	Yes
Application	saltstack	salt	< 3000.6	Yes
Application	saltstack	salt	< 3001.4	Yes
Application	saltstack	salt	< 3002.5	Yes
Operating System	fedoraproject	fedora	32	Yes
Operating System	fedoraproject	fedora	33	Yes
Operating System	fedoraproject	fedora	34	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	debian	debian_linux	10.0	Yes
Operating System	debian	debian_linux	11.0	Yes

References

https://github.com/stealthcopter/CVE-2020-28243 Exploit, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2021/11/msg00009.html Mailing List, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2022/01/msg00000.html Mailing List, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7GRVZ5WAEI3XFN2BDTL6DDXFS5HYSDVB/ Mailing List, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FUGLOJ6NXLCIFRD2JTXBYQEMAEF2B6XH/ Mailing List, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YOGNT2XWPOYV7YT75DN7PS4GIYWFKOK5/ Mailing List, Third Party Advisory ([email protected])
https://saltproject.io/security_announcements/active-saltstack-cve-release-2021-feb-25/ Vendor Advisory ([email protected])
https://sec.stealthcopter.com/cve-2020-28243/ Exploit, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202103-01 Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202310-22 Third Party Advisory ([email protected])
https://www.debian.org/security/2021/dsa-5011 Third Party Advisory ([email protected])
https://github.com/stealthcopter/CVE-2020-28243 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2021/11/msg00009.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2022/01/msg00000.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7GRVZ5WAEI3XFN2BDTL6DDXFS5HYSDVB/ Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FUGLOJ6NXLCIFRD2JTXBYQEMAEF2B6XH/ Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YOGNT2XWPOYV7YT75DN7PS4GIYWFKOK5/ Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://saltproject.io/security_announcements/active-saltstack-cve-release-2021-feb-25/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://sec.stealthcopter.com/cve-2020-28243/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202103-01 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202310-22 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2021/dsa-5011 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For saltstack's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.