High severity · published Nov 27, 2018
CVE-2018-0721
Buffer Overflow vulnerability in NAS devices
7.7
CVSS
1.6%
EPSS
No
On KEV
Description
Buffer Overflow vulnerability in NAS devices. QTS allows attackers to run arbitrary code. This issue affects: QNAP Systems Inc. QTS version 4.2.6 and prior versions on build 20180711; version 4.3.3 and prior versions on build 20180725; version 4.3.4 and prior versions on build 20180710.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:L
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
High
Availability
Low
Scope
Changed
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
QT
Qts · Qnap
4.2.6; 4.3.3; 4.3.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-0721
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-0721
Vendor Advisory
https://www.qnap.com/zh-tw/security-advisory/nas-201809-20
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