CVE-2021-28191

MediumCVSS 4.9/10Last modified Jun 17, 2026

Description

The Firmware update function in ASUS BMC’s firmware Web management page 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 4.9/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

VendorProductVersions
ASUSBMC firmware for ASMB9-iKVM1.11.12
ASUSBMC firmware for RS720A-E9-RS24-E1.10.3
ASUSBMC firmware for RS700A-E9-RS41.10.0
ASUSBMC firmware for RS700-E9-RS41.09
ASUSBMC firmware for ESC4000 G4X1.11.6
ASUSBMC firmware for RS700-E9-RS121.11.5
ASUSBMC firmware for RS100-E10-PI21.13.6
ASUSBMC firmware for RS300-E10-PS41.13.6
ASUSBMC firmware for RS300-E10-RS41.13.6
ASUSBMC firmware for RS500A-E9-PS41.14.1
ASUSBMC firmware for RS500A-E9-RS41.14.1
ASUSBMC firmware for RS500A-E9 RS41.14.1
ASUSBMC firmware for E700 G41.14.1
ASUSBMC firmware for WS C422 PRO/SE1.14.1
ASUSBMC firmware for WS X299 PRO/SE1.14.1
ASUSBMC firmware for Z11PA-U121.15.1
ASUSBMC firmware for Z11PA-U12/10G-2S1.15.1
ASUSBMC firmware for KNPA-U161.13.4
ASUSBMC firmware for ESC4000 DHD G41.13.7
ASUSBMC firmware for ESC4000 G41.15.2
ASUSBMC firmware for RS720Q-E9-RS24-S1.15.0
ASUSBMC firmware for RS720Q-E9-RS81.15.0
ASUSBMC firmware for RS720Q-E9-RS8-S1.15.0
ASUSBMC firmware for Z11PA-D81.14.1
ASUSBMC firmware for Z11PA-D8C1.14.1
ASUSBMC firmware for RS720-E9-RS24-U1.14.3
ASUSBMC firmware for RS720-E9-RS8-G1.15.2
ASUSBMC firmware for RS500-E9-PS41.15.4
ASUSBMC firmware for Pro E800 G41.14.2
ASUSBMC firmware for RS500-E9-RS41.15.4
ASUSBMC firmware for RS500-E9-RS4-U1.15.4
ASUSBMC firmware for RS520-E9-RS12-E1.15.3
ASUSBMC firmware for RS520-E9-RS81.15.3
ASUSBMC firmware for ESC8000 G41.15.4
ASUSBMC firmware for ESC8000 G4/10G1.15.4
ASUSBMC firmware for RS720-E9-RS12-E1.15.2
ASUSBMC firmware for WS C621E SAGE1.15.1
ASUSBMC firmware for RS500A-E10-PS41.15.2
ASUSBMC firmware for RS500A-E10-RS41.15.2
ASUSBMC firmware for RS700A-E9-RS12V21.15.1
ASUSBMC firmware for RS700A-E9-RS4V21.15.1
ASUSBMC firmware for RS720A-E9-RS12V21.15.2
ASUSBMC firmware for RS720A-E9-RS24V21.15.1
ASUSBMC firmware for Z11PR-D161.15.3

References

Timeline

Published
Apr 6, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-281924.9The specific function in ASUS BMC’s firmware Web management page (Remote video storage function) does not verify the string length entered bCVE-2021-281934.9The SMTP configuration function in ASUS BMC’s firmware Web management page does not verify the string length entered by users, resulting in CVE-2021-281944.9The specific function in ASUS BMC’s firmware Web management page (Remote image configuration setting) does not verify the string length enteCVE-2021-281954.9The Radius configuration function in ASUS BMC’s firmware Web management page does not verify the string length entered by users, resulting iCVE-2021-281964.9The specific function in ASUS BMC’s firmware Web management page (Generate SSL certificate function) does not verify the string length enterCVE-2021-281974.9The Active Directory configuration function in ASUS BMC’s firmware Web management page does not verify the string length entered by users, rCVE-2021-281984.9The Firmware protocol configuration function in ASUS BMC’s firmware Web management page does not verify the string length entered by users, CVE-2021-281994.9The specific function in ASUS BMC’s firmware Web management page (Modify user’s information function) does not verify the string length enteCVE-2021-282004.9The CD media configuration function in ASUS BMC’s firmware Web management page does not verify the string length entered by users, resultingCVE-2021-282014.9The Service configuration-1 function in ASUS BMC’s firmware Web management page does not verify the string length entered by users, resultinCVE-2021-282024.9The Service configuration-2 function in ASUS BMC’s firmware Web management page does not verify the string length entered by users, resultinCVE-2021-282037.2The Web Set Media Image function in ASUS BMC’s firmware Web management page does not filter the specific parameter. As obtaining the adminis
CVE-2021-28191: Medium severity, CVSS 4.9 | Vulnix