peter bassill · operator
$ cve CVE-2020-25494 JSON

CVE-2020-25494 EXPLOIT

9.8
CRITICAL · CVSS 3.1 · EPSS 39.2% (pctl 99)

Patch early

A public exploit exists.

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.

Scoring

CVSS9.8 (CRITICAL, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS39.19% — more likely to be exploited than 99% of all CVEs
WeaknessCWE-78
On CISA KEVno
Public exploityes
Published2020-12-18
Last modified2026-06-17

Affected (1)

VendorProduct
xinuosopenserver

Public exploits

SourceTitleDate
exploit-dbSCO Openserver 5.0.7 - 'outputform' Command Injection2020-12-21

References

→ the Explorer  ·  watch your stack  ·  NVD