CVE-2021-25126

Name: CVE-2021-25126
Creator: NVD / NIST
Published: 2021-01-29T19:15:13.553+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2021-25126 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.32%

24.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Hpe	Cloudline Cl3100 Gen10 Server Firmware	1.08.0.0
Hpe	Cloudline Cl3100 Gen10 Server Firmware	1.10.0.0
Hpe	Cloudline Cl4100 Gen10 Server Firmware	1.08.0.0
Hpe	Cloudline Cl4100 Gen10 Server Firmware	1.10.0.0
Hpe	Cloudline Cl5200 Gen9 Server Firmware	1.07.0.0
Hpe	Cloudline Cl5800 Gen10 Server Firmware	1.08.0.0
Hpe	Cloudline Cl5800 Gen9 Server Firmware	1.09.0.0

References

Timeline

Published: Jan 29, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-25126?

How severe is CVE-2021-25126?

CVE-2021-25126 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2021-25126?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-25126?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST