PT-2021-4028 · Intel · Intel Xeon Processors+3

Hugo Magalhaes · Published 2021-07-13 · Updated 2022-02-24 · CVE-2021-0144

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Intel Xeon Scalable Processors, Intel Xeon Processors D, Intel Xeon Processors E5 v4, Intel Xeon Processors E5 v3, Intel Xeon Processors W (affected versions not specified)

Description The issue is related to insecure default variable initialization for the Intel BSSA DFT feature, which may allow a privileged user to potentially enable an escalation of privilege via local access. This is due to errors in the initialization of variables.

Recommendations For Intel Xeon Scalable Processors, Intel Xeon Processors D, Intel Xeon Processors E5 v4, Intel Xeon Processors E5 v3, Intel Xeon Processors W: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Initialization

Weakness Enumeration

CWE-1188

CWE-665

Related Identifiers

BDU:2021-04555

CVE-2021-0144

Affected Products

Intel Xeon Processors

Intel Xeon Processors E5 V3

Intel Xeon Processors E5 V4

Intel Xeon Scalable Processors

References · 7

• https://intel.com/content/www/us/en/security-center/advisory/intel-sa-00525.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04555 · Security Note
• https://intel.com/content/www/us/en/security-center/advisory/intel-sa-00527.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0144 · Security Note
• https://t.me/cvenotify/18267 · Telegram Post
• https://vuldb.com/?id.178706 · Note
• https://t.me/cvenotify/27291 · Telegram Post