What’s Vulnerable › Vulnerabilities

CVE-2020-12258

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-05-18 · updated 2026-06-17
• Weakness: CWE-384

Description

rConfig 3.9.4 is vulnerable to session fixation because session expiry and randomization are mishandled. The application can reuse a session via PHPSESSID. Also, an attacker can exploit this vulnerability in conjunction with CVE-2020-12256 or CVE-2020-12259.

Affected products

• rconfig: 3.9.4

References

• https://gist.github.com/farid007/8855031bad0e497264e4879efb5bc9f8
• https://gist.github.com/farid007/8855031bad0e497264e4879efb5bc9f8

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