CVE-2021-38684— Buffer Overflow Vulnerability in Multimedia Console
Quick assessment
Affected
QNAP Systems Inc. Multimedia Console
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
QNAP NAS是中国QNAP公司的一个可访问且快速的存储解决方案。 QNAP NAS 存在安全漏洞，该漏洞源于一个堆栈缓冲区溢出漏洞会影响运行多媒体控制台的 QNAP NAS。攻击者可利用该漏洞执行任意代码。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-38684
Vulnerability Information
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Vulnerability Title
Buffer Overflow Vulnerability in Multimedia Console
Source: CVE Program / CVE List V5
Vulnerability Description
A stack buffer overflow vulnerability has been reported to affect QNAP NAS running Multimedia Console. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of Multimedia Console: Multimedia Console 1.4.3 ( 2021/10/05 ) and later Multimedia Console 1.5.3 ( 2021/10/05 ) and later
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
QNAP NAS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QNAP NAS是中国QNAP公司的一个可访问且快速的存储解决方案。 QNAP NAS 存在安全漏洞，该漏洞源于一个堆栈缓冲区溢出漏洞会影响运行多媒体控制台的 QNAP NAS。攻击者可利用该漏洞执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| QNAP Systems Inc. | Multimedia Console | unspecified ~ 1.4.3 ( 2021/10/05 ) | - |
|
II. Public POCs for CVE-2021-38684
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-38684 (1)
IV. Related Vulnerabilities
V. Comments for CVE-2021-38684
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