CVE-2020-25494
Xinuos (formerly SCO) Openserver v5 and v6 allows attackers to execute arbitrary commands via...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-25494- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-78
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-25494- Updated
- 2026-11-02
EUVDEUVD-2020-18179 No score
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.
- Record
EUVD-2020-18179- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6m4v-96f3-85ph No score
Xinuos (formerly SCO) Openserver v5 and v6 allows attackers to execute arbitrary commands via...
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.
- Record
GHSA-6m4v-96f3-85ph- Weakness
- CWE-88
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | SCO Openserver 5.0.7 - 'outputform' Command Injection | 2020-12-21 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-25494 is a critical vulnerability (CVSS 9.8) in Xinuos Openserver, published December 18, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 39.2%, the 98th percentile. No source names a fixed version.