Qvr
Vendor:
First CVE: Sep 27, 2021 · Active for 4 years
10
Total CVEs
More Total CVEs than 89% of tracked products
2.5
Avg CVEs / Year
Higher CVE frequency than 77% of tracked products
8.5
Avg CVSS
Higher Avg CVSS than 77% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Qvr over time
Volume of CVEsAvg CVSS Base Score
First CVE
Sep 27, 2021
4 years ago
Most Recent CVE
Aug 29, 2025
333 days ago
CVE Severity & Scoring
Qvr10 CVEs
10%
30%
60%
All CVEs353,173 CVEs
45%
40%
11%
LowHighCritical
Attack Vector
Local0 (0.0%)
Network10 (100.0%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low10 (100.0%)
High0 (0.0%)
Unknown0 (0.0%)
User Interaction
None9 (90.0%)
Unknown0 (0.0%)
Required1 (10.0%)
Privileges Required
Low0 (0.0%)
High3 (30.0%)
None7 (70.0%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (10 CVEs).
10 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2025-52856CRITICAL An improper authentication vulnerability has been reported to affect VioStor. If a remote attacker, they can then exploit the vulnerability to compromise the security of the system | Aug 29, 2025 | 9.8 | 35 | NO | NO |
CVE-2021-38685CRITICAL A command injection vulnerability has been reported to affect QNAP device, VioStor. If exploited, this vulnerability allows remote attackers to run arbitrary commands. We have alre | Nov 26, 2021 | 9.8 | 32 | NO | NO |
CVE-2021-34351CRITICAL A command injection vulnerability has been reported to affect QNAP device running QVR. If exploited, this vulnerability could allow remote attackers to run arbitrary commands. We h | Sep 27, 2021 | 9.8 | 30 | NO | NO |
CVE-2021-34348CRITICAL A command injection vulnerability has been reported to affect QNAP device running QVR. If exploited, this vulnerability could allow remote attackers to run arbitrary commands. We h | Sep 27, 2021 | 9.8 | 30 | NO | NO |
CVE-2021-38686HIGH An improper authentication vulnerability has been reported to affect QNAP device, VioStor. If exploited, this vulnerability allows attackers to compromise the security of the syste | Nov 26, 2021 | 8.8 | 28 | NO | NO |
CVE-2021-34352CRITICAL A command injection vulnerability has been reported to affect QNAP device running QVR. If exploited, this vulnerability could allow remote attackers to run arbitrary commands. We h | Oct 1, 2021 | 9.8 | 28 | NO | NO |
CVE-2022-27588CRITICAL We have already fixed this vulnerability in the following versions of QVR: QVR 5.1.6 build 20220401 and later | May 5, 2022 | 9.8 | 24 | NO | NO |
CVE-2021-34349HIGH A command injection vulnerability has been reported to affect QNAP device running QVR. If exploited, this vulnerability could allow remote attackers to run arbitrary commands. We h | Sep 27, 2021 | 7.2 | 24 | NO | NO |
CVE-2023-23355HIGH An OS command injection vulnerability has been reported to affect QNAP operating systems. If exploited, the vulnerability possibly allows remote authenticated administrators to exe | Mar 29, 2023 | 7.2 | 23 | NO | NO |
A vulnerability has been reported to affect QNAP operating systems. If exploited, the out-of-bounds read vulnerability allows remote authenticated administrators to get secret valu | Mar 29, 2023 | 2.7 | 15 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (10 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (10 CVEs).
Media Mentions
Signals from CVEs in this product scope (10 CVEs).
Top CNAs Publishing CVEs For Qvr
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 5.1.6 | 1 | 9.8 | 0.6% | 0 | 0 |