CVE-2020-6070
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.
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
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 Medium
CVSS: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 Medium
CVSS: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 High
CVSS: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 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.0
- 6.7 Medium
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV: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 High
CVSS: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 High
CVSS: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 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.0
- 6.7 Medium
CVSS: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
| Package | Affected | Fixed |
|---|---|---|
f2fs-toolsDebian:12 |
before 1.14.0-1 | 1.14.0-1 |
f2fs-toolsDebian:13 |
before 1.14.0-1 | 1.14.0-1 |
f2fs-toolsDebian:14 |
before 1.14.0-1 | 1.14.0-1 |
f2fs-toolsMageia:7 |
before 1.14.0-1.mga7 | 1.14.0-1.mga7 |
f2fs-toolsUbuntu:16.04:LTS |
All versions, plus listed versions 1.4.1-11.6.0-11.6.0-21.6.1-1 |
None known |
f2fs-toolsUbuntu: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-toolsUbuntu:20.04:LTS |
All versions, plus listed versions 1.11.0-1.11.11.0-1.1ubuntu1 |
None known |
f2fs-toolsUbuntu:22.04:LTS |
All versions, plus listed versions 1.14.0-2build1 |
None known |
f2fs-toolsUbuntu:24.04:LTS |
All versions, plus listed versions 1.16.0-1 |
None known |
f2fs-toolsUbuntu:25.10 |
All versions, plus listed versions 1.16.0-1.11.16.0-2 |
None known |
f2fs-toolsUbuntu:26.10 |
All versions, plus listed versions 1.16.0-2build1 |
None known |
f2fs-toolsUbuntu:26.04:LTS |
All versions, plus listed versions 1.16.0-21.16.0-2build1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE 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
talosintelligence.com/vulnerability_reports/TALOS-2020-0988
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SZ4HMQKNI35NBWJI6XMJBGWPEKZRR72
nvd.nist.gov/vuln/detail/CVE-2020-6070
lists.fedoraproject.org/archives/list/[email protected]/message/3SZ4HMQKNI35NBWJI6XMJBGWPEKZRR72
github.com/advisories/GHSA-5r6m-66fx-q4cm
security-tracker.debian.org/tracker/CVE-2020-6070