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CVE-2020-6070

An exploitable code execution vulnerability exists in the file system checking functionality of...

6.7 MediumFix available

An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in 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

1.73%Up 0.6 points since Apr 14, 2021
90%50%10%1%

What each source reports

CVE List Score used 6.7

An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability.

Record
CVE-2020-6070
CVSS 3.0
6.7 MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
EUVDEUVD-2020-27224 6.7

An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability.

Record
EUVD-2020-27224
CVSS 3.0
6.7 MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-5r6m-66fx-q4cm 7.8

An exploitable code execution vulnerability exists in the file system checking functionality of...

An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability.

Record
GHSA-5r6m-66fx-q4cm
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-131
Updated
2026-11-02
NVD 7.8

An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability.

Record
CVE-2020-6070
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
6.7 MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/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-131
Updated
2026-11-02
OSV 7.8

An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability.

Record
CVE-2020-6070
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-2020-6070 7.8

An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability.

Record
DEBIAN-CVE-2020-6070
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-2020-6070 7.8

An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability.

Record
UBUNTU-CVE-2020-6070
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
6.7 MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVMGASA-2020-0436 No score

Updated f2fs-tools packages fix security vulnerability

An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability (CVE-2020-6070).

Record
MGASA-2020-0436
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
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
Mageia:7
before 1.14.0-1.mga7
1.14.0-1.mga7
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-2020-6070 is a medium vulnerability (CVSS 6.7) in F2fs-tools Project F2fs-tools, published August 10, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.73%, the 77th percentile. Fixed in f2fs-tools 1.14.0-1.

References

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