#VU96072 Unchecked Return Value in Converged Security and Management Engine (CSME) - CVE-2023-40067

Vulnerability identifier: #VU96072

Vulnerability risk: Low

CVSSv4.0: 0.7 [CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-40067

CWE-ID: CWE-252

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Converged Security and Management Engine (CSME)
Hardware solutions / Firmware

Vendor: Intel

Description

The vulnerability allows an attacker with physical access to escalate privileges on the system.

The vulnerability exists due to unchecked return value in firmware, which leads to security restrictions bypass and privilege escalation.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Converged Security and Management Engine (CSME): All versions

---

External links
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00999.html

---

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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