Is CVE-2013-6276 actively exploited?

No active exploitation of CVE-2013-6276 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2013-6276 be exploited remotely?

Yes. CVE-2013-6276 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2013-6276?

CVE-2013-6276 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2013-6276

CRITICAL

CVE-2013-6276

CWE-798Published: August 9, 2021· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

QNAP F_VioCard 2312 and F_VioGate 2308 have hardcoded entries in authorized_keys files. NOTE: 1. All active models are not affected. The last affected model was EOL since 2010. 2. The legacy authorization mechanism is no longer adopted in all active models

NVD Source

Technical Analysis

CVE-2013-6276 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

qnap10 product(s)

viocard-30 firmwareviocard-30viocard-100 firmwareviocard-100viocard-300 firmwareviocard-300viogate-340a firmwareviogate-340aviogate-340 firmwareviogate-340

Source: NVD CPE · 11 total CPE entries