Privilege escalation in Intel Converged Security and Manageability Engine (CSME)

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU28982

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-0533

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

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

The vulnerability exists due to reversible one-way hash. A local user can gain elevated privileges on the target system and cause a denial of service or information disclosure. Note:

This vulnerability affects the following versions of Intel CSME:

• 11.20 through 11.22.76

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Converged Security and Management Engine (CSME): before 11.8.76

CPE2.3

• cpe:2.3:h:intel:csme:*:*:*:*:*:*:*:*

External links

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00295.html

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.