Vulnerability in Pi-Hole

CVE-2020-35591

Pi-hole 5.0, 5.1, and 5.1.1 allows Session Fixation. The application does not generate a new session cookie after the user is logged in. A malicious user is able to create a new session cookie value and inject it to a victim. After the victim logs in, the injected cookie becomes valid, giving the attacker access to the user's account through the active session.

EPSS: 0.011 (63.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

  • Pi-hole — versions 5.0, 5.1, 5.1.1
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-35591?
CVE-2020-35591 is a medium-severity vulnerability in Pi-Hole, classified under Session Fixation. CVSS score: 5.4/10. Published 2021-02-18.
How severe is CVE-2020-35591?
Medium severity. CVSS v3 base score is 5.4 out of 10.