Main Vulnerability Database Vulnerabilities #VU28990

Information disclosure in Intel Trusted Execution Engine Firmware and Converged Security and Management Engine (CSME) - CVE-2020-0536

Published: June 12, 2020

Vulnerability identifier: #VU28990

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-0536

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to improper input validation in the DAL subsystem. A remote attacker can gain unauthorized access to sensitive information on the system.

Note: This vulnerability affects the following versions of Intel CSME and TXE:

CSME:

11.0 through 11.8.76
11.10 through 11.11.76
11.20 through 11.22.76
12.0 through 12.0.63

TXE:

3.0 through 3.1.70
4.0 through 4.0.20

Affected software

Intel Trusted Execution Engine Firmware
Converged Security and Management Engine (CSME)

How to mitigate CVE-2020-0536

Install updates from vendor's website.

Intel Trusted Execution Engine Firmware - addressed in versions 3.1.75, 4.0.25
Converged Security and Management Engine (CSME) - addressed in versions 11.8.77, 11.12.77, 11.22.77, 12.0.64, 13.0.32, 14.0.33

External References

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

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