CVE-2021-21996: An issue was discovered in SaltStack Salt before 3003.3

High severity · published Sep 8, 2021

CVE-2021-21996

An issue was discovered in SaltStack Salt before 3003.3

7.5

CVSS

3.5%

EPSS

On KEV

Description

An issue was discovered in SaltStack Salt before 3003.3. A user who has control of the source, and source_hash URLs can gain full file system access as root on a salt minion.

CVSS vector

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

Attack vector

Network

Complexity

High

Privileges

Low

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)3.5% · higher than 89% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Debian Linux · Debian

9.0; 10.0; 11.0 · source: NVD

Fedora · Fedoraproject

33; 34; 35 · source: NVD

Salt · Saltstack

before 3000.3 · source: NVD

Affected product

Debian Linux

Debian

All Debian Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2021-21996

CVE.org

https://www.cve.org/CVERecord?id=CVE-2021-21996

Mailing List

https://lists.debian.org/debian-lts-announce/2021/11/msg00017.html

Mailing List

https://lists.debian.org/debian-lts-announce/2021/11/msg00019.html

Mailing List

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BUWUF5VTENNP2ZYZBVFKPSUHLKLUBD5/

Mailing List

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ACVT7M4YLZRLWWQ6SGRK3C6TOF4FXOXT/

Mailing List

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MBAHHSGZLEJRCG4DX6J4RBWJAAWH55RQ/

Patch

https://saltproject.io/security_announcements/salt-security-advisory-2021-sep-02/