01 Record

CVE-2021-38687

Stack Overflow Vulnerability in Surveillance Station

HighPUBLISHEDCNA: qnap

CNA base score8.1 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

View raw JSON

02 Description

Stack Overflow Vulnerability in Surveillance Station

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 1.32% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 70.6% of scored records. A rank, not a probability.
NVD base score: 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2021-12-29 13:05Z4 YR AGO

Last updated

2024-09-16 20:22Z2 YR AGO

Reserved

2021-08-13

Assigning CNA

qnap

Record state

PUBLISHED

Severity

High (CVSS 8.1)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.1

Document digest

1b409eb00fe281521e384b0e04ce38118877ba07f7816c3bb9fad5612a0d2d72

05 Affected products

VendorProductVersionsPlatforms

QNAP Systems Inc.Surveillance Station< 5.2.0.4.2 ( 2021/10/26 ), < 5.2.0.3.2 ( 2021/10/26 ), < 5.1.5.4.6 ( 2021/10/26 ), < 5.1.5.3.6 ( 2021/10/26 )QTS 5.0 (64 bit), QTS 5.0 (32 bit), QTS 4.3.6 (64 bit), QTS 4.3.6 (32 bit), QTS 4.3.3

06 References

www.qnap.comhttps://www.qnap.com/en/security-advisory/qsa-21-46x_refsource_MISC

07 Remediation

We have already fixed this vulnerability in the following versions of Surveillance Station: QTS 5.0.0 (64 bit): Surveillance Station 5.2.0.4.2 ( 2021/10/26 ) and later QTS 5.0.0 (32 bit): Surveillance Station 5.2.0.3.2 ( 2021/10/26 ) and later QTS 4.3.6 (64 bit): Surveillance Station 5.1.5.4.6 ( 2021/10/26 ) and later QTS 4.3.6 (32 bit): Surveillance Station 5.1.5.3.6 ( 2021/10/26 ) and later QTS 4.3.3 (32 bit): Surveillance Station 5.1.5.3.6 ( 2021/10/26 ) and later