CVE-2021-21996

HIGH
Published Sep 8, 20214y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Sep 8, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
7.5
Exploitability
1.6
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 7

VendorProductVersionRange
saltstacksalt* <3000.3
fedoraprojectfedora33any
fedoraprojectfedora34any
fedoraprojectfedora35any
debiandebian_linux9.0any
debiandebian_linux10.0any
debiandebian_linux11.0any

References 8

  • lists.debian.org https://lists.debian.org/debian-lts-announce/2021/11/msg00017.html
    Mailing ListThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2021/11/msg00019.html
    Mailing ListThird Party Advisory
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BUWUF5VTENNP2ZYZBVFKPSUHLKLUBD5/
    Mailing ListThird Party Advisory
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ACVT7M4YLZRLWWQ6SGRK3C6TOF4FXOXT/
    Mailing ListThird Party Advisory
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MBAHHSGZLEJRCG4DX6J4RBWJAAWH55RQ/
    Mailing ListThird Party Advisory
  • saltproject.io https://saltproject.io/security_announcements/salt-security-advisory-2021-sep-02/
    PatchVendor Advisory
  • security.gentoo.org https://security.gentoo.org/glsa/202310-22
    Third Party Advisory
  • debian.org https://www.debian.org/security/2021/dsa-5011
    Third Party Advisory

Remediation

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