CVE-2009-3279

CVE-2009-3279 is a medium-severity vulnerability in Qnap Ts-239 Pro Turbo Nas with a CVSS 2.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-310.

Key facts

Description

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.

Frequently asked questions

What is CVE-2009-3279?
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.
How severe is CVE-2009-3279?
CVE-2009-3279 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2009-3279 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3279?
CVE-2009-3279 primarily affects Qnap Ts-239 Pro Turbo Nas. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-3279?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-3279 published?
CVE-2009-3279 was published on 2009-09-21 and last updated on 2026-06-16.

References

Affected products (6)

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