CVE-2020-12258

9.1 criticalEPSS 1.7%

Critical (9.1) in rconfig rconfig. EPSS 1.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 1.7% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)
CWE: CWE-384
Published: 2020-05-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

rconfig:rconfig

References

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

Check your stack JSON