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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.011 (65.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Pi-Hole — versions 5.0, 5.1, 5.1.1
Weakness classification (CWE)
References
- discourse.pi-hole.net/c/announcements/5 (Release Notes, Vendor Advisory)
- n4nj0.github.io/advisories/pi-hole-multiple-vulnerabilities-i/ (Exploit, Third Party Advisory)
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.