What is the CVSS score of CVE-2021-25126?

CVE-2021-25126 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.3%.

Cloudline Cl3100 Gen10 Server Firmware CVE-2021-25126

HIGH

Classic Buffer Overflow (CWE-120)

2021-01-29 security-alert@hpe.com

Buffer Overflow Cloudline Cl3100 Gen10 Server Firmware Cloudline Cl4100 Gen10 Server Firmware Cloudline Cl5200 Gen9 Server Firmware Cloudline Cl5800 Gen10 Server Firmware Cloudline Cl5800 Gen9 Server Firmware

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jan 29, 2021 - 19:15 nvd

HIGH 7.8

DescriptionNVD

The Baseboard Management Controller(BMC) in HPE Cloudline CL5800 Gen9 Server; HPE Cloudline CL5200 Gen9 Server; HPE Cloudline CL4100 Gen10 Server; HPE Cloudline CL3100 Gen10 Server; HPE Cloudline CL5800 Gen10 Server BMC firmware has a local buffer overlfow in spx_restservice downloadkvmjnlp_func function.

AnalysisAI

The Baseboard Management Controller(BMC) in HPE Cloudline CL5800 Gen9 Server; HPE Cloudline CL5200 Gen9 Server; HPE Cloudline CL4100 Gen10 Server; HPE Cloudline CL3100 Gen10 Server; HPE Cloudline. Rated high severity (CVSS 7.8), this vulnerability is 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. The Baseboard Management Controller(BMC) in HPE Cloudline CL5800 Gen9 Server; HPE Cloudline CL5200 Gen9 Server; HPE Cloudline CL4100 Gen10 Server; HPE Cloudline CL3100 Gen10 Server; HPE Cloudline CL5800 Gen10 Server BMC firmware has a local buffer overlfow in spx_restservice downloadkvmjnlp_func function. Affected products include: Hpe Cloudline Cl3100 Gen10 Server Firmware, Hpe Cloudline Cl4100 Gen10 Server Firmware, Hpe Cloudline Cl5200 Gen9 Server Firmware, Hpe Cloudline Cl5800 Gen10 Server Firmware, Hpe Cloudline Cl5800 Gen9 Server Firmware.

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.