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Asmb8 Ikvm Firmware CVE-2023-26602

CRITICAL
Command Injection (CWE-77)
2023-02-26 cve@mitre.org
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Command injection prevention
MITRE ATT&CK

1 technique across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

A remote attacker could inject arbitrary commands into system command execution by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL + active threat signals, no patch available.
No patch listed yet 17.4% exploitation probability (EPSS)

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AnalysisAI

ASUS ASMB8 iKVM firmware through 1.14.51 allows remote attackers to execute arbitrary code by using SNMP to create extensions, as demonstrated by snmpset for NET-SNMP-EXTEND-MIB with /bin/sh for. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. ASUS ASMB8 iKVM firmware through 1.14.51 allows remote attackers to execute arbitrary code by using SNMP to create extensions, as demonstrated by snmpset for NET-SNMP-EXTEND-MIB with /bin/sh for command execution. Affected products include: Asus Asmb8-Ikvm Firmware. Version information: through 1.14.51.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

ASUS ASMB8 iKVM firmware through 1.14.51 allows remote attackers to execute arbitrary code by using SNMP to create extensions, as demonstrated by snmpset for NET-SNMP-EXTEND-MIB with /bin/sh for command execution.

Threat Intelligence Overview

EPSS Score
17.4%
Top 3% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC Yes
EPSS 17.4%
Patch available No
Active threat Yes
Deciding rule
CRITICAL + active threat signals, no patch available
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

86
Low Medium High Critical
KEV: 0
EPSS: +17
CVSS: +49
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)NVD

cpe:2.3:o:asus:asmb8-ikvm_firmware:*:*:*:*:*:*:*:*
CVE-2021-28204 HIGH
7.2 Apr 06

The specific function in ASUS BMC’s firmware Web management page (Modify user’s information function) does not filter th

CVE-2021-28203 HIGH
7.2 Apr 06

The Web Set Media Image function in ASUS BMC’s firmware Web management page does not filter the specific parameter. Rate

CVE-2021-28205 MEDIUM
4.9 Apr 06

The specific function in ASUS BMC’s firmware Web management page (Delete SOL video file function) does not filter the sp

CVE-2021-28189 MEDIUM
4.9 Apr 06

The SMTP configuration function in ASUS BMC’s firmware Web management page does not verify the string length entered by

CVE-2021-28188 MEDIUM
4.9 Apr 06

The specific function in ASUS BMC’s firmware Web management page (Modify user’s information function) does not verify th

CVE-2021-28187 MEDIUM
4.9 Apr 06

The specific function in ASUS BMC’s firmware Web management page (Generate new SSL certificate) does not verify the stri

CVE-2021-28186 MEDIUM
4.9 Apr 06

The specific function in ASUS BMC’s firmware Web management page (ActiveX configuration-2 acquisition) does not verify t

CVE-2021-28185 MEDIUM
4.9 Apr 06

The specific function in ASUS BMC’s firmware Web management page (ActiveX configuration-1 acquisition) does not verify t

CVE-2021-28184 MEDIUM
4.9 Apr 06

The Active Directory configuration function in ASUS BMC’s firmware Web management page does not verify the string length

CVE-2021-28183 MEDIUM
4.9 Apr 06

The specific function in ASUS BMC’s firmware Web management page (Web License configuration setting) does not verify the

CVE-2021-28182 MEDIUM
4.9 Apr 06

The Web Service configuration function in ASUS BMC’s firmware Web management page does not verify the string length ente

CVE-2021-28181 MEDIUM
4.9 Apr 06

The specific function in ASUS BMC’s firmware Web management page (Remote video configuration setting) does not verify th

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