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Fencer Intel
critical 9.8

CVE-2020-25494 in the critical feed json

Xinuos (formerly SCO) Openserver v5 and v6 allows attackers to execute arbitrary commands via shell metacharacters in outputform or tocleve…

published 5y ago modified 4mo ago also EUVD-2020-18179

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
39.2%
EPSS 39.2% chance of exploitation in 30 days, percentile 98%
public exploits
1
Exploit-DB

Summary

Xinuos (formerly SCO) Openserver v5 and v6 allows attackers to execute arbitrary commands via shell metacharacters in outputform or toclevels parameter to cgi-bin/printbook.

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Timeline

  1. Published
  2. First public exploit (EDB-49301)

Exploit prediction

39.19% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-49301 SCO Openserver 5.0.7 - 'outputform' Command Injection webapps, 2020-12-21
  • github.com https://github.com/Ramikan/Vulnerabilities/blob/master/SCO%20Openserver%20OS%20Command%20Injection%20Vulnerability referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/160635/SCO-Openserver-5.0.7-Command-Injection.html referenced PoC, tagged "exploit" by a source, unverified

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 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

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

References

Sources

Fencer Intel 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.