CVE-2020-6104
An exploitable information disclosure vulnerability exists in the get_dnode_of_data functionality...
An exploitable information disclosure vulnerability exists in the get_dnode_of_data functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause information disclosure resulting in a information disclosure. 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
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
An exploitable information disclosure vulnerability exists in the get_dnode_of_data functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause information disclosure resulting in a information disclosure. An attacker can provide a malicious file to trigger this vulnerability.
- Record
CVE-2020-6104- CVSS 3.0
- 4.4 Medium
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2020-27258
An exploitable information disclosure vulnerability exists in the get_dnode_of_data functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause information disclosure resulting in a information disclosure. An attacker can provide a malicious file to trigger this vulnerability.
- Record
EUVD-2020-27258- CVSS 3.0
- 4.4 Medium
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hjcj-jfhg-v58h
An exploitable information disclosure vulnerability exists in the get_dnode_of_data functionality...
An exploitable information disclosure vulnerability exists in the get_dnode_of_data functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause information disclosure resulting in a information disclosure. An attacker can provide a malicious file to trigger this vulnerability.
- Record
GHSA-hjcj-jfhg-v58h- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
NVD
An exploitable information disclosure vulnerability exists in the get_dnode_of_data functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause information disclosure resulting in a information disclosure. An attacker can provide a malicious file to trigger this vulnerability.
- Record
CVE-2020-6104- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - CVSS 3.0
- 4.4 Medium
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
OSVALPINE-CVE-2020-6104
An exploitable information disclosure vulnerability exists in the get_dnode_of_data functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause information disclosure resulting in a information disclosure. An attacker can provide a malicious file to trigger this vulnerability.
- Record
ALPINE-CVE-2020-6104- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSV
An exploitable information disclosure vulnerability exists in the get_dnode_of_data functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause information disclosure resulting in a information disclosure. An attacker can provide a malicious file to trigger this vulnerability.
- Record
CVE-2020-6104- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-6104
An exploitable information disclosure vulnerability exists in the get_dnode_of_data functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause information disclosure resulting in a information disclosure. An attacker can provide a malicious file to trigger this vulnerability.
- Record
DEBIAN-CVE-2020-6104- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-6104
An exploitable information disclosure vulnerability exists in the get_dnode_of_data functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause information disclosure resulting in a information disclosure. An attacker can provide a malicious file to trigger this vulnerability.
- Record
UBUNTU-CVE-2020-6104- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - CVSS 3.0
- 4.4 Medium
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
f2fs-toolsAlpine:v3.13 |
before 1.14.0-r0 | 1.14.0-r0 |
f2fs-toolsAlpine:v3.14 |
before 1.14.0-r0 | 1.14.0-r0 |
f2fs-toolsAlpine:v3.15 |
before 1.14.0-r0 | 1.14.0-r0 |
f2fs-toolsAlpine:v3.16 |
before 1.14.0-r0 | 1.14.0-r0 |
f2fs-toolsAlpine:v3.17 |
before 1.14.0-r0 | 1.14.0-r0 |
f2fs-toolsAlpine:v3.18 |
before 1.14.0-r0 | 1.14.0-r0 |
f2fs-toolsAlpine:v3.19 |
before 1.14.0-r0 | 1.14.0-r0 |
f2fs-toolsAlpine:v3.20 |
before 1.14.0-r0 | 1.14.0-r0 |
f2fs-toolsAlpine:v3.21 |
before 1.14.0-r0 | 1.14.0-r0 |
f2fs-toolsAlpine:v3.22 |
before 1.14.0-r0 | 1.14.0-r0 |
Show 13 moreShow less
| Package | Affected | Fixed |
|---|---|---|
f2fs-toolsAlpine:v3.23 |
before 1.14.0-r0 | 1.14.0-r0 |
f2fs-toolsAlpine:v3.24 |
before 1.14.0-r0 | 1.14.0-r0 |
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-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-2020-6104 is a medium vulnerability (CVSS 4.4) 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 1.50%, the 74th percentile. Fixed in f2fs-tools 1.14.0-r0.
References
talosintelligence.com/vulnerability_reports/TALOS-2020-1046
security.gentoo.org/glsa/202101-26
nvd.nist.gov/vuln/detail/CVE-2020-6104
github.com/advisories/GHSA-hjcj-jfhg-v58h
security.alpinelinux.org/vuln/CVE-2020-6104
security-tracker.debian.org/tracker/CVE-2020-6104
ubuntu.com/security/CVE-2020-6104
cve.org/CVERecord?id=CVE-2020-6104