CVE-2021-38684

Buffer Overflow Vulnerability in Multimedia Console

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

Remediation

Solution:

  • 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

Category

8.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.81% Top 30%
Vendor Advisory qnap.com
Affected: QNAP Systems Inc. Multimedia Console
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-38684?
CVE-2021-38684 has been scored as a high severity vulnerability.
How to fix CVE-2021-38684?
To fix CVE-2021-38684: 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
Is CVE-2021-38684 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-38684 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-38684?
CVE-2021-38684 affects QNAP Systems Inc. Multimedia Console.
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