CVE-2009-3279

4.9 MEDIUM 0.4% exploit odds No fix listed

What it is

The QNAP TS-239 Pro and TS-639 Pro with firmware 2.1.7 0613, 3.1.0 0627, and 3.1.1 0815 create a LUKS partition by using the AES-256 cipher in plain CBC mode, which allows local users to obtain sensitive information via a watermark attack.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. High risk of data exposure.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2009-09-21 19:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:11 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.4% in the next 30 days (EPSS).
Severity: 4.9 MEDIUM (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2009-09-21 19:30 UTC
Last modified: 2026-06-16 23:11 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Weakness: CWE-310
Record status: Modified

Affected

Qnap ts-239 Pro Turbo Nas 2.1.7_0613
Qnap ts-239 Pro Turbo Nas 3.1.0_0627
Qnap ts-239 Pro Turbo Nas 3.1.1_0815
Qnap ts-639 Pro Turbo Nas 2.1.7_0613
Qnap ts-639 Pro Turbo Nas 3.1.0_0627
Qnap ts-639 Pro Turbo Nas 3.1.1_0815

Attack profile CVSS 2.0 · 4.9

Attack vector: Local
Complexity: Low
Authentication: None
Confidentiality: Complete
Integrity: None
Availability: None

Raw vector

AV:L/AC:L/Au:N/C:C/I:N/A:N

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2009-3279.md and follow it. Check whether this project is affected by CVE-2009-3279. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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References

NVD record · CVE.org record