CVE-2021-28204Network attack vector

Administrator command execution via unfiltered user parameter

Published Apr 6, 2021 · Updated Sep 17, 2024

Command injection in ASUS ASMB8-iKVM Firmware 1.14.51 allows remote authenticated users to execute arbitrary commands through its web interface. The Modify user’s information function passes a specific request parameter to command execution without filtering it. Administrator privileges are required, and successful exploitation grants command execution in the BMC firmware context.

CVSS severity7.2
High
EPSS probability2.02%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Command injection in ASUS ASMB8-iKVM Firmware 1.14.51 allows remote authenticated users to execute arbitrary commands through its web interface. The Modify user’s information function passes a specific request parameter to command execution without filtering it. Administrator privileges are required, and successful exploitation grants command execution in the BMC firmware context.

The record

CVE
CVE-2021-28204
Published
Apr 6, 2021
Updated
Sep 17, 2024
Vendor
ASUSTeK Computer Inc.
Product
ASMB8-iKVM Firmware
Classifications
CWE-78, T1059
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Apr 6, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.14.2
  2. Affected versionversion=1.14.51

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

ASUSTeK Computer Inc. · ASMB8-iKVM Firmwareversion=1.14.2; version=1.14.51

Published CVSS scores

7.2NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.5NIST NVDAV:N/AC:L/Au:S/C:P/I:P/A:P
7.2TWCERT/CCCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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