What’s Vulnerable › Vulnerabilities

CVE-2020-23574

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-08-19 · updated 2026-06-17
• Weakness: CWE-119

Description

When uploading a file in Sysax Multi Server 6.90, an authenticated user can modify the filename="" parameter in the uploadfile_name1.htm form to a length of 368 or more bytes. This will create a buffer overflow condition, causing the application to crash.

Affected products

• Sysax Software Multi-Server: 6.90

References

• https://www.hosaka.co.uk/2020/06/08/sysax-multi-server-buffer-overflow/
• https://www.hosaka.co.uk/2020/06/08/sysax-multi-server-buffer-overflow/

Get alerted when CVE-2020-23574 or the next vulnerability affects your stack