What’s Vulnerable › Vulnerabilities

CVE-2020-0591

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-11-12 · updated 2026-06-17

Description

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.

Affected products

• Intel BIOS: all versions
• Siemens Simatic Cpu 1518-4 Firmware: all versions
• Siemens Simatic Cpu 1518F-4 Firmware: all versions

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-501073.pdf
• https://security.netapp.com/advisory/ntap-20201113-0001/
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00358
• https://cert-portal.siemens.com/productcert/pdf/ssa-501073.pdf
• https://security.netapp.com/advisory/ntap-20201113-0001/
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00358

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