CVE-2020-6107

Name: CVE-2020-6107
Creator: NVD / NIST
Published: 2020-10-15T15:15:11.763+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 1.50%

Last modified Jun 17, 2026

CVE-2020-6107 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An exploitable information disclosure vulnerability exists in the dev_read functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause an uninitialized read resulting in an information disclosure. EPSS estimates a 1.50% chance of exploitation in the next 30 days.

Description

An exploitable information disclosure vulnerability exists in the dev_read functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause an uninitialized read resulting in an information disclosure. An attacker can provide a malicious file to trigger this vulnerability.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

1.50%

70.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
F2fs-Tools Project	F2fs-Tools	< 1.14.0

References

https://security.gentoo.org/glsa/202101-26Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1049Exploit, Technical Description, Third Party Advisory
https://security.gentoo.org/glsa/202101-26Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1049Exploit, Technical Description, Third Party Advisory

Timeline

Published: Oct 15, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-6107?

How severe is CVE-2020-6107?

CVE-2020-6107 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.50% probability of exploitation in the next 30 days.

How do I fix CVE-2020-6107?

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-2020-6107?

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

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Source: NVD / NIST