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Vulnerability record · CVE-2020-25494 · published 18 December 2020

CVE-2020-25494: Xinuos openserver os command injection vulnerability

Xinuos · Openserver

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.

9.8 CVSS 3.1 Critical EPSS 39% · top 1.4% CWE-78 · OS command injection
9.8CVSS 3.1 base score, v2 7.5
39%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/160635/SCO-Openserver-5.0.7-Command-Injection.html ExploitThird Party Advisory
https://github.com/Ramikan/Vulnerabilities/blob/master/SCO%20Openserver%20OS%20Command%20Injection%20Vulnerability ExploitThird Party Advisory
http://packetstormsecurity.com/files/160635/SCO-Openserver-5.0.7-Command-Injection.html ExploitThird Party Advisory
https://github.com/Ramikan/Vulnerabilities/blob/master/SCO%20Openserver%20OS%20Command%20Injection%20Vulnerability ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-25494), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.