CVE-2021-33117 — Improper Removal of Sensitive Information Before Storage or Transfer in Intel Bios

CWE-212 — Improper Removal of Sensitive Information Before Storage or Transfer9 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 66.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Intel BiosDebian Intel-microcode
Timeline
PublishedMay 12
Latest updateJul 28

Description

Improper access control for some 3rd Generation Intel(R) Xeon(R) Scalable Processors before BIOS version MR7, may allow a local attacker to potentially enable information disclosure via local access.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 1.8 | Impact: 3.6

Affected Packages2 packages

▶NVDintel/bios< mr7
▶debiandebian/intel-microcode< intel-microcode 3.20220207.1 (bookworm)

🔴Vulnerability Details

4
OSV
Intel Microcode vulnerabilities↗2022-07-28
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OSV
intel-microcode vulnerabilities↗2022-06-20
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GHSA
GHSA-fmf3-xj8j-qrw9: Improper access control for some 3rd Generation Intel(R) Xeon(R) Scalable Processors before BIOS version MR7, may allow a local attacker to potentiall↗2022-05-13
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OSV
CVE-2021-33117: Improper access control for some 3rd Generation Intel(R) Xeon(R) Scalable Processors before BIOS version MR7, may allow a local attacker to potentiall↗2022-05-12
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📋Vendor Advisories

4
Ubuntu
Intel Microcode vulnerabilities↗2022-07-28
▶
Ubuntu
Intel Microcode vulnerabilities↗2022-06-20
▶
Red Hat
hw: cpu: information disclosure in Intel® Xeon® Scalable Processors↗2022-05-10
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Debian
CVE-2021-33117: intel-microcode - Improper access control for some 3rd Generation Intel(R) Xeon(R) Scalable Proces...↗2021
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