CVE-2023-54337

Sysax Multi Server 6.95 - 'Password' Denial of Service (PoC)

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.

Affected

Sysax · Sysax Multi Server

CVSS v4.0 VULNCHECK

5.1 MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

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

EPSS

0.54% chance of exploitation in the next 30 days, 44th percentile

Published

2026-01-13

Updated

2026-03-05

Proof-of-concept exploits (2)

• https://www.exploit-db.com/exploits/51066
• https://www.vulncheck.com/advisories/sysax-multi-server-password-denial-of-service-poc

Security advisories

• https://www.sysax.com

References

• CVE Record
• NVD entry