Vulnerability identifier: #VU86420

Vulnerability risk: High

CVSSv3.1: 7.8 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-21403

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Azure Kubernetes Service Confidential Containers
Other software / Other software solutions

Vendor: Microsoft

Description

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

The vulnerability exists due to application does not properly impose security restrictions in the Microsoft Azure Kubernetes Service Confidential Container, which leads to security restrictions bypass and privilege escalation.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Azure Kubernetes Service Confidential Containers: All versions

---

External links
http://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21403

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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