9.8

CVE-2020-25494: xinuos openserver

Modified
Published 18-12-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-25494 is a critical (CVSS 9.8) vulnerability in xinuos openserver. EPSS estimates a 39.19% chance of exploitation in the next 30 days, higher than 98.6% of scored vulnerabilities. 3 public exploits are recorded.

Priority
Prioritisepublic exploit

Public exploit (exploit-database, 21-12-2020)

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
39.19%
0%100%
High · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits3github, reference, exploit-database

Timeline

  1. 18-12-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

39.19%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

No change 0.00 pp

From 39.19% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

3 found
  • githubUnverified

    Vulnerabilities

    Maturity: poc

  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • exploit-databasescoUnverified

    SCO Openserver 5.0.7 - 'outputform' Command Injection

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Xinuos1 product

1 vendor · 1 product

References

2 links