#VU55706 Permissions, Privileges, and Access Controls in Azure CycleCloud - CVE-2021-36943

Vulnerability identifier: #VU55706

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-36943

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Azure CycleCloud
Server applications / Other server solutions

Vendor: Microsoft

Description

The vulnerability allows a local attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the Azure CycleCloud, which leads to security restrictions bypass and privilege escalation.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Azure CycleCloud: 8.2.0

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36943

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.