How severe is CVE-2020-6105?

CVE-2020-6105 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-6105 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-6105?

CVE-2020-6105 affects F2fs-tools Project F2fs-tools. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-6105?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-6105 published?

CVE-2020-6105 was published on 2020-10-15 and last updated on 2026-06-17.

CVE-2020-6105

CVE-2020-6105 is a high-severity vulnerability in F2fs-tools Project F2fs-tools with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-610.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-610
Affected product: F2fs-tools Project F2fs-tools
Published: 2020-10-15
Last modified: 2026-06-17

Description

An exploitable code execution vulnerability exists in the multiple devices functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause Information overwrite resulting in a code execution. An attacker can provide a malicious file to trigger this vulnerability.

Frequently asked questions

What is CVE-2020-6105?: An exploitable code execution vulnerability exists in the multiple devices functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause Information overwrite resulting in a code execution. An attacker can provide a malicious file to trigger this vulnerability.
How severe is CVE-2020-6105?: CVE-2020-6105 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-6105 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-6105?: CVE-2020-6105 affects F2fs-tools Project F2fs-tools. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-6105?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-6105 published?: CVE-2020-6105 was published on 2020-10-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:f2fs-tools_project:f2fs-tools:*:*:*:*:*:*:*:*

More vulnerabilities in F2fs-tools Project F2fs-tools

CVE-2020-6108 — High (CVSS 7.8): An exploitable code execution vulnerability exists in the fsck_chk_orphan_node functionality of F2fs-Tools F2fs.Fsck…
CVE-2020-6070 — High (CVSS 7.8): An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A…
CVE-2020-6107 — Medium (CVSS 5.5): An exploitable information disclosure vulnerability exists in the dev_read functionality of F2fs-Tools F2fs.Fsck 1.13.…
CVE-2020-6106 — Medium (CVSS 5.5): An exploitable information disclosure vulnerability exists in the init_node_manager functionality of F2fs-Tools…
CVE-2020-6104 — Medium (CVSS 5.5): An exploitable information disclosure vulnerability exists in the get_dnode_of_data functionality of F2fs-Tools…

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