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Fencer Vulns
critical 9.8

CVE-2021-29393 json

Remote Code Execution in cominput.jsp and comoutput.jsp in Northstar Technologies Inc NorthStar Club Management 6.3 allows remote unauthent…

published 2022-02-04 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-16028

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.6%
EPSS 3.6% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

Remote Code Execution in cominput.jsp and comoutput.jsp in Northstar Technologies Inc NorthStar Club Management 6.3 allows remote unauthenticated users to inject and execute arbitrary system commands via the unsanitized user-controlled "command" and "commandvalues" parameters.

Exploit prediction

3.57% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

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.