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CVE-2020-0591

Improper buffer restrictions in BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

Published: Nov 12, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafNVD-CWE-noinfo
NVD MITRE
6.7CVSSMEDIUM
EPSS Score
0.3%
Top 77.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Intel has published information on vulnerabilities in Intel products in November 2020. This advisory lists the Siemens Controllers that are affected by these vulnerabilities. In this advisory we take a representative CVE from each advisory: - “Intel CSME, SPS, TXE, AMT and DAL Advisory” Intel-SA-00391 is represented by CVE-2020-8744 - “BIOS Advisory” Intel-SA-00358 is represented by CVE-2020-0591. Siemens is currently working on BIOS updates that include chipset microcode updates and recommends specific countermeasures for products where updates are not, or not yet available.

CVSS Vector Breakdown

AV:LAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

NVD-CWE-noinfo

Affected Products

Intel Core X-seriesIntel Corp.
EmbeddedFirmware
Hardware Firmware / cpu-gpu
Intel Xeon ScalableIntel Corp.
Embedded
Hardware Firmware / cpu-gpu
Intel Xeon Processor D FamilyIntel Corp.
Embedded
Hardware Firmware / cpu-gpu
2nd Generation Intel Xeon Scalable ProcessorIntel Corp.
EmbeddedFirmware
Hardware Firmware / cpu-gpu
Intel Xeon W ProcessorIntel Corp.Hardware Firmware / cpu-gpu
intel corp.commercialUSHardware Firmwareaka intel
and 5 more affected products View all →

Exploitability

Official Patch Available

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00358.html
intel.com
https://vuldb.com/?id.164796
vuldb.com
https://cert-portal.siemens.com/productcert/csaf/ssa-501073.json
cert-portal.siemens.com
and 14 more references View all →

Timeline

Published
Nov 12, 2020
Last Updated
Nov 21, 2024

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