Vulnerability identifier: #VU50979

Vulnerability risk: Medium

CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:F/RL:O/RC:C]

CVE-ID: CVE-2021-25281

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Salt
Web applications / Remote management & hosting panels

Vendor: SaltStack

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. The salt-api does not honor eauth credentials for the wheel_async client. A remote attacker can remotely run any wheel modules on the master.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Salt: 3002.1 - 3002.4, 3001 - 3001.5, 3000 - 3000.7

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External links
http://github.com/saltstack/salt/releases
http://saltproject.io/security_announcements/active-saltstack-cve-release-2021-feb-25/
http://www.saltstack.com/blog/active-saltstack-cve-announced-2021-jan-21/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.