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CVE-2020-35591

MEDIUMCVSS 5.4/10EPSS 1.14%

Last modified

CVE-2020-35591 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 1.14% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.4/10

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

EPSS Probability
1.14%

62.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Pi-HolePi-Hole5.0
Pi-HolePi-Hole5.1
Pi-HolePi-Hole5.1.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2020-35591?
CVE-2020-35591 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.14% probability of exploitation in the next 30 days.
How do I fix CVE-2020-35591?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-35591?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST