Buffer overflow in Sysax Multi Server

CVE-2020-23574

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.

Vulnerability class: Buffer Overflow

EPSS: 0.009 (57.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-23574?
CVE-2020-23574 is a medium-severity vulnerability in Sysax Multi Server, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.5/10. Published 2020-08-19.
How severe is CVE-2020-23574?
Medium severity. CVSS v3 base score is 6.5 out of 10.