CVE-2021-28797
A stack-based buffer overflow vulnerability has been reported to affect QNAP NAS devices running Surveillance Station.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.91%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A stack-based buffer overflow vulnerability has been reported to affect QNAP NAS devices running Surveillance Station. If exploited, this vulnerability allows attackers to execute arbitrary code. QNAP have already fixed this vulnerability in the following versions: Surveillance Station 5.1.5.4.3 (and later) for ARM CPU NAS (64bit OS) and x86 CPU NAS (64bit OS) Surveillance Station 5.1.5.3.3 (and later) for ARM CPU NAS (32bit OS) and x86 CPU NAS (32bit OS)
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.91% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-121, CWE-787
- Affected
- qnap/surveillance station
- Source
- security@qnapsecurity.com.tw
References
- https://www.qnap.com/en/security-advisory/qsa-21-07Vendor Advisory
- https://www.qnap.com/en/security-advisory/qsa-21-07Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.