What is CVE-2013-6277?

CVE-2013-6277 is a high-severity vulnerability in QNAP Viocard 300, classified under Use of Hard-coded Credentials. CVSS score: 7.5/10. Published 2020-02-13.

How severe is CVE-2013-6277?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in QNAP Viocard 300

CVE-2013-6277

QNAP VioCard 300 has hardcoded RSA private keys.

Published 2020-02-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.016 (74.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

QNAP Viocard 300
QNAP Viocard 300 Firmware — versions rs_b3722, rs_b4631

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

firmware.re/usenixsec14/ (Exploit, Third Party Advisory)
firmware.re/vulns/acsa-2013-002.php (Third Party Advisory)

Frequently asked questions

What is CVE-2013-6277?: CVE-2013-6277 is a high-severity vulnerability in QNAP Viocard 300, classified under Use of Hard-coded Credentials. CVSS score: 7.5/10. Published 2020-02-13.
How severe is CVE-2013-6277?: High severity. CVSS v3 base score is 7.5 out of 10.