What’s Vulnerable › Vulnerabilities

CVE-2020-13638

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 76.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-11-13 · updated 2026-06-17
• Weakness: CWE-269

Description

lib/crud/userprocess.php in rConfig 3.9.x before 3.9.7 has an authentication bypass, leading to administrator account creation. This issue has been fixed in 3.9.7.

Affected products

• rconfig: from 3.9.0 before 3.9.7 — fixed in 3.9.7

How to fix

Upgrade to a fixed version: rconfig 3.9.7. Check the vendor advisory for mitigations.

References

• https://theguly.github.io/2020/09/rconfig-3.9.4-multiple-vulnerabilities/
• https://theguly.github.io/2020/09/rconfig-3.9.4-multiple-vulnerabilities/

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