Critical severity · published Sep 10, 2021
CVE-2021-34344
A stack buffer overflow vulnerability has been reported to affect QNAP device running QUSBCam2
9.8
CVSS
1.6%
EPSS
No
On KEV
Description
A stack buffer overflow vulnerability has been reported to affect QNAP device running QUSBCam2. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QUSBCam2: QTS 4.5.4: QUSBCam2 1.1.4 ( 2021/07/30 ) and later QTS 5.0: QUSBCam2 2.0.1 ( 2021/08/03 ) and later QTS 4.3.6: QUSBCam2 1.1.4 ( 2021/07/30 ) and later QTS 4.3.3: QUSBCam2 1.1.4 ( 2021/08/06 ) and later QuTS hero 4.5.3: QUSBCam2 1.1.4 ( 2021/07/30 ) and later
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QU
Qusbcam2 · Qnap
before 1.1.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-34344
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-34344
Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-21-34
More from Qusbcam2
8.8
CVE-2023-23373
An OS command injection vulnerability has been reported to affect QUSBCam2