What’s Vulnerable › Vulnerabilities

CVE-2019-11098

• Severity: medium (CVSS 6.8 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: 2021-07-14 · updated 2026-06-17
• Weakness: CWE-20

Description

Insufficient input validation in MdeModulePkg in EDKII may allow an unauthenticated user to potentially enable escalation of privilege, denial of service and/or information disclosure via physical access.

Affected products

• Extensible Firmware Interface Development Kit (EDK II): all versions

References

• https://edk2-docs.gitbook.io/security-advisory/bootguard-toctou-vulnerability
• https://edk2-docs.gitbook.io/security-advisory/bootguard-toctou-vulnerability

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