CVE-2021-38687
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
A stack buffer overflow vulnerability has been reported to affect QNAP NAS running Surveillance Station. If exploited, this vulnerability allows attackers to execute arbitrary code. 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: Surveillance Station 5.1.5.3.6 ( 2021/10/26 ) and later
Overview
- CVE ID
- CVE-2021-38687
- Assigner
- security@qnapsecurity.com.tw
- Vulnerability Status
- Analyzed
- Published Version
- 2021-12-29T13:15:08
- Last Modified Date
- 2022-01-10T20:54:00
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:qnap:surveillance_station:*:*:*:*:*:*:*:* | 1 | OR | 5.2.0.4.2 | |
| cpe:2.3:o:qnap:qts:5.0.0:*:*:*:*:*:x64:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:a:qnap:surveillance_station:*:*:*:*:*:*:*:* | 1 | OR | 5.2.0.3.2 | |
| cpe:2.3:o:qnap:qts:5.0.0:*:*:*:*:*:x86:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:a:qnap:surveillance_station:*:*:*:*:*:*:*:* | 1 | OR | 5.1.5.4.6 | |
| cpe:2.3:o:qnap:qts:4.3.6:*:*:*:*:*:x64:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:a:qnap:surveillance_station:*:*:*:*:*:*:*:* | 1 | OR | 5.1.5.3.6 | |
| cpe:2.3:o:qnap:qts:4.3.6:*:*:*:*:*:x86:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:a:qnap:surveillance_station:*:*:*:*:*:*:*:* | 1 | OR | 5.1.5.3.6 | |
| cpe:2.3:o:qnap:qts:4.3.3:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-21-46 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-38687 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38687 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:37:53 | Added to TrackCVE | |||
| 2022-12-06 05:19:05 | security@qnap.com | security@qnapsecurity.com.tw | CVE Assigner | updated |
| 2022-12-06 05:19:05 | 2021-12-29T13:15Z | 2021-12-29T13:15:08 | CVE Published Date | updated |
| 2022-12-06 05:19:05 | 2022-01-10T20:54:00 | CVE Modified Date | updated | |
| 2022-12-06 05:19:05 | Analyzed | Vulnerability Status | updated |