What is the CVSS score of CVE-2021-0101?

CVE-2021-0101 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.4%.

Efi Bios 7215 CVE-2021-0101

HIGH

Classic Buffer Overflow (CWE-120)

2021-06-09 secure@intel.com

Buffer Overflow Intel Privilege Escalation Efi Bios 7215

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jun 09, 2021 - 19:15 nvd

HIGH 8.8

DescriptionNVD

AnalysisAI

Buffer overflow in the BMC firmware for Intel(R) Server BoardM10JNP2SB before version EFI BIOS 7215, BMC 8100.01.08 may allow an unauthenticated user to potentially enable an escalation of privilege. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. Buffer overflow in the BMC firmware for Intel(R) Server BoardM10JNP2SB before version EFI BIOS 7215, BMC 8100.01.08 may allow an unauthenticated user to potentially enable an escalation of privilege via adjacent access. Affected products include: Intel Efi Bios 7215.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.