CVE-2020-12258 — rConfig 3

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2020-05-18T13:01:57.000Z
• Last modified: 2024-08-04T11:48:58.594Z

09References

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