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Multi Server CVE-2023-54337

CRITICAL
Improper Validation of Specified Quantity in Input (CWE-1284)
2026-01-13 disclosure@vulncheck.com
9.1
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.1 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:N/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
None
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 26, 2026 - 16:15 vuln.today
Public exploit code
CVE Published
Jan 13, 2026 - 23:16 nvd
CRITICAL 9.1

DescriptionCVE.org

Sysax Multi Server 6.95 contains a denial of service vulnerability in the administrative password field that allows attackers to crash the application. Attackers can overwrite the password field with 800 bytes of repeated characters to trigger an application crash and disrupt server functionality.

AnalysisAI

Sysax Multi Server 6.95 crashes when the admin password field receives 800 bytes, causing denial of service. PoC available.

Technical ContextAI

The password field does not limit input length (CWE-1284), causing application crash with ~800 bytes.

RemediationAI

Update Sysax Multi Server.

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CVE-2012-6530 HIGH POC
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CVE-2020-13227 MEDIUM POC
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An issue was discovered in Sysax Multi Server 6.90. Rated medium severity (CVSS 5.3), this vulnerability is remotely exp

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CVE-2023-54337 vulnerability details – vuln.today

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