#VU25201 Improper Authentication in Converged Security and Management Engine (CSME) - CVE-2019-14598

Vulnerability identifier: #VU25201

Vulnerability risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-14598

CWE-ID: CWE-287

Exploitation vector: Local

Exploit availability: No

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

Vendor: Intel

Description

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

The vulnerability exists due to improper authentication issue in subsystem in Intel(R) CSME. A local user can bypass authentication process and elevate privileges on the system.

Mitigation

Intel recommends updating to Intel CSME versions 12.0.49, 13.0.21, and 14.0.11 or later provided by the system manufacturer that addresses these issues.

Intel recommends IOT customers using Intel CSME version 12.0.55 to update to 12.0.56 or later provided by the system manufacturer that addresses these issues.

Vulnerable software versions

Converged Security and Management Engine (CSME): 12.0.55

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External links
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00307.html

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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.