CVE-2021-28186

Name: CVE-2021-28186
Creator: NVD / NIST
Published: 2021-04-06T05:15:15.473+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.9/10EPSS 1.81%

Last modified Jun 17, 2026

CVE-2021-28186 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. The specific function in ASUS BMC’s firmware Web management page (ActiveX configuration-2 acquisition) does not verify the string length entered by users, resulting in a Buffer overflow vulnerability. As obtaining the privileged permission, remote attackers use the leakage to abnormally terminate the Web service.. EPSS estimates a 1.81% chance of exploitation in the next 30 days.

Description

The specific function in ASUS BMC’s firmware Web management page (ActiveX configuration-2 acquisition) does not verify the string length entered by users, resulting in a Buffer overflow vulnerability. As obtaining the privileged permission, remote attackers use the leakage to abnormally terminate the Web service.

Metrics

CVSS 3.1

4.9/10

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

EPSS Probability

1.81%

75.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Asus	Z10pr-D16 Firmware	1.14.51
Asus	Asmb8-Ikvm Firmware	1.14.51
Asus	Z10pe-D16 Ws Firmware	1.14.2

References

https://www.asus.com/content/ASUS-Product-Security-Advisory/Vendor Advisory
https://www.asus.com/tw/support/callus/Vendor Advisory
https://www.twcert.org.tw/tw/cp-132-4556-ece3d-1.htmlThird Party Advisory
https://www.asus.com/content/ASUS-Product-Security-Advisory/Vendor Advisory
https://www.asus.com/tw/support/callus/Vendor Advisory
https://www.twcert.org.tw/tw/cp-132-4556-ece3d-1.htmlThird Party Advisory

Timeline

Published: Apr 6, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-28186?

How severe is CVE-2021-28186?

CVE-2021-28186 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 1.81% probability of exploitation in the next 30 days.

How do I fix CVE-2021-28186?

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-2021-28186?

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

Scan your code now

Source: NVD / NIST