Vulnerability Monitor

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CVE-2013-6276

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

Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 10 products from qnap, from qnap, from qnap and 7 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2021-08-09T18:15:07.120

Last Modified

2026-06-17T00:00:14.133

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-798

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	qnap	viocard-30_firmware	2312_2.1.0	Yes
Hardware	qnap	viocard-30	-	No
Operating System	qnap	viocard-100_firmware	-	Yes
Hardware	qnap	viocard-100	-	No
Operating System	qnap	viocard-300_firmware	rc_b3722	Yes
Operating System	qnap	viocard-300_firmware	rs_b4631	Yes
Hardware	qnap	viocard-300	-	No
Operating System	qnap	viogate-340a_firmware	-	Yes
Hardware	qnap	viogate-340a	-	No
Operating System	qnap	viogate-340_firmware	2308_2.1.0	Yes
Hardware	qnap	viogate-340	-	No

References

http://firmware.re/vulns/acsa-2013-002.php Exploit, Third Party Advisory ([email protected])
http://web.archive.org/web/20210320190014/http://firmware.re/vulns/acsa-2013-002.php Exploit, Third Party Advisory ([email protected])
http://firmware.re/vulns/acsa-2013-002.php Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://web.archive.org/web/20210320190014/http://firmware.re/vulns/acsa-2013-002.php Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For qnap's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.