CVE-2020-35591 — MEDIUM (5.4)

Vulnerability Description

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.

CVSS Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Pi-Hole	Pi-Hole	5.0

Related Weaknesses (CWE)

CWE-384

References

https://discourse.pi-hole.net/c/announcements/5Release NotesVendor Advisory
https://n4nj0.github.io/advisories/pi-hole-multiple-vulnerabilities-i/ExploitThird Party Advisory
https://discourse.pi-hole.net/c/announcements/5Release NotesVendor Advisory
https://n4nj0.github.io/advisories/pi-hole-multiple-vulnerabilities-i/ExploitThird Party Advisory

FAQ

What is CVE-2020-35591?

CVE-2020-35591 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 a...

How severe is CVE-2020-35591?

CVE-2020-35591 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-35591?

Check the references section above for vendor advisories and patch information. Affected products include: Pi-Hole Pi-Hole.