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Fencer Vulns
medium 6.1

CVE-2020-13228 json

An issue was discovered in Sysax Multi Server 6.90.

published 2020-06-02 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-5497

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.2%
EPSS 3.2% chance of exploitation in 30 days, percentile 88%
public exploits
1
Exploit-DB

Summary

An issue was discovered in Sysax Multi Server 6.90. There is reflected XSS via the /scgi sid parameter.

Timeline

  1. Published
  2. First public exploit (EDB-48582)

Exploit prediction

3.15% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-48582 Sysax MultiServer 6.90 - Reflected Cross Site Scripting webapps, 2020-06-12
  • pasteboard.co https://pasteboard.co/J9eE2GQ.png referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/wrongsid3/Sysax-MultiServer-6.90-Multiple-Vulnerabilities/blob/master/README.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.