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No exploitation reportedFix available

CVE-2020-6104

No exploitation reported by the sources we read.

  • Published2020-10-15
  • Fixed in1.14.0
  • WeaknessCWE-125

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2020-10-1515:15CVE publishedNVD

Versions per branch

NVD
F2fs-tools project f2fs-tools
BranchAffectedFixed in
1.14< 1.14.01.14.0

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • f2fs-toolsUbuntu:26.10all versions · no fixed version listed
  • f2fs-toolsUbuntu:26.04:LTSall versions · no fixed version listed
  • f2fs-toolsUbuntu:25.10all versions · no fixed version listed
  • f2fs-toolsUbuntu:24.04:LTSall versions · no fixed version listed
  • f2fs-toolsUbuntu:22.04:LTSall versions · no fixed version listed
  • f2fs-toolsUbuntu:20.04:LTSall versions · no fixed version listed
  • f2fs-toolsUbuntu:18.04:LTSall versions · no fixed version listed
  • f2fs-toolsUbuntu:16.04:LTSall versions · no fixed version listed

15 more package ranges on OSV.dev

Vendor advisories

  • CVE-2020-6104 Red Hat Product Security

    f2fs-tools: specially crafted f2fs filesystem can cause information disclosure

Full record on NVD

Fix

  1. Update F2fs-tools project f2fs-tools to 1.14.0

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.15.5read 2026-10-23
  • CNACVSS 3.04.4known since 2026-10-23
  • NVDCVSS 2.04.3read 2026-10-23
  • CNAweakness (CWE)CWE-125known since 2026-10-23
  • NVDweakness (CWE)CWE-125read 2026-10-23
  • FIRST EPSSEPSS score1.5 %2026-11-08
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Published
2020-10-15
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-hjcj-jfhg-v58h

Frequently asked questions

What is 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.

Is CVE-2020-6104 actively exploited?

Active exploitation of CVE-2020-6104 has not been confirmed. Its EPSS score was 1.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-6104?

CVE-2020-6104 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

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