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CVE-2020-6105

An exploitable code execution vulnerability exists in the multiple devices functionality of F2fs...

8.2 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.10%Up 1.0 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 8.2

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.

Record
CVE-2020-6105
CVSS 3.0
8.2 HighCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-73
Updated
2026-11-02
EUVDEUVD-2020-27259 8.2

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.

Record
EUVD-2020-27259
CVSS 3.0
8.2 HighCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-4883-9gwj-77mj 7.8

An exploitable code execution vulnerability exists in the multiple devices functionality of F2fs...

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.

Record
GHSA-4883-9gwj-77mj
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-610
Updated
2026-11-02
NVD 7.8

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.

Record
CVE-2020-6105
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.0
8.2 HighCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-73, CWE-610
Updated
2026-11-02
OSVALPINE-CVE-2020-6105 7.8

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.

Record
ALPINE-CVE-2020-6105
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSV 7.8

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.

Record
CVE-2020-6105
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2020-6105 7.8

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.

Record
DEBIAN-CVE-2020-6105
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-6105 7.8

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.

Record
UBUNTU-CVE-2020-6105
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 3.0
8.2 HighCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
f2fs-tools
Alpine:v3.13
 before 1.14.0-r0
1.14.0-r0
f2fs-tools
Alpine:v3.14
 before 1.14.0-r0
1.14.0-r0
f2fs-tools
Alpine:v3.15
 before 1.14.0-r0
1.14.0-r0
f2fs-tools
Alpine:v3.16
 before 1.14.0-r0
1.14.0-r0
f2fs-tools
Alpine:v3.17
 before 1.14.0-r0
1.14.0-r0
f2fs-tools
Alpine:v3.18
 before 1.14.0-r0
1.14.0-r0
f2fs-tools
Alpine:v3.19
 before 1.14.0-r0
1.14.0-r0
f2fs-tools
Alpine:v3.20
 before 1.14.0-r0
1.14.0-r0
f2fs-tools
Alpine:v3.21
 before 1.14.0-r0
1.14.0-r0
f2fs-tools
Alpine:v3.22
 before 1.14.0-r0
1.14.0-r0
Show 13 moreShow less
Affected packages
PackageAffectedFixed
f2fs-tools
Alpine:v3.23
 before 1.14.0-r0
1.14.0-r0
f2fs-tools
Alpine:v3.24
 before 1.14.0-r0
1.14.0-r0
f2fs-tools
Debian:12
 before 1.14.0-1
1.14.0-1
f2fs-tools
Debian:13
 before 1.14.0-1
1.14.0-1
f2fs-tools
Debian:14
 before 1.14.0-1
1.14.0-1
f2fs-tools
Ubuntu:16.04:LTS
 All versions, plus listed versions
1.4.1-11.6.0-11.6.0-21.6.1-1
 None known
f2fs-tools
Ubuntu:18.04:LTS
 All versions, plus listed versions
1.7.0-1.11.10.0-11.11.0-1.1~18.04
 None known
f2fs-tools
Ubuntu:20.04:LTS
 All versions, plus listed versions
1.11.0-1.11.11.0-1.1ubuntu1
 None known
f2fs-tools
Ubuntu:22.04:LTS
 All versions, plus listed versions
1.14.0-2build1
 None known
f2fs-tools
Ubuntu:24.04:LTS
 All versions, plus listed versions
1.16.0-1
 None known
f2fs-tools
Ubuntu:25.10
 All versions, plus listed versions
1.16.0-1.11.16.0-2
 None known
f2fs-tools
Ubuntu:26.10
 All versions, plus listed versions
1.16.0-2build1
 None known
f2fs-tools
Ubuntu:26.04:LTS
 All versions, plus listed versions
1.16.0-21.16.0-2build1
 None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-6105 is a high vulnerability (CVSS 8.2) in F2fs-tools Project F2fs-tools, published October 15, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.10%, the 81st percentile. Fixed in f2fs-tools 1.14.0-r0.

References

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