Vulnerability in QNAP Ts-239 Pro
CVE-2009-3278
The QNAP TS-239 Pro and TS-639 Pro with firmware 2.1.7 0613, 3.1.0 0627, and 3.1.1 0815 use the rand library function to generate a certain recovery key, which makes it easier for local users to determine this key via a brute-force attack.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (32.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- QNAP Ts-239 Pro
- QNAP Ts-239 Pro Firmware — versions 2.1.7, 3.1.0, 3.1.1
- QNAP Ts-639 Pro
- QNAP Ts-639 Pro Firmware — versions 2.1.7, 3.1.0, 3.1.1
Weakness classification (CWE)
References
- www.baseline-security.de/downloads/BSC-Qnap_Crypto_Backdoor-CVE-2009-3200.txt (Exploit)
- secunia.com/advisories/36793 (Broken Link, third-party-advisory)
- www.securityfocus.com/archive/1/506607/100/0/threaded (mailing-list, VDB Entry, Third Party Advisory, Broken Link)
- www.securityfocus.com/bid/36467 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
Frequently asked questions
- What is CVE-2009-3278?
- CVE-2009-3278 is a medium-severity vulnerability in QNAP Ts-239 Pro, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 5.5/10. Published 2009-09-21.
- How severe is CVE-2009-3278?
- Medium severity. CVSS v3 base score is 5.5 out of 10.