CVE-2020-23574
mediumpriority · track · 26EPSS 0.009 · 61 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- http://www.nsfocus.net/vulndb/48630cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-23574cnnvd
- https://www.hosaka.co.uk/2020/06/08/sysax-multi-server-buffer-overflow/cnnvd
- https://www.hosaka.co.uk/2020/06/08/sysax-multi-server-buffer-overflow/enisa_euvd
- https://www.hosaka.co.uk/2020/06/08/sysax-multi-server-buffer-overflow/ExploitThird Party Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan