Vulnerability · Published Nov 13, 2021 · Assigned by qnap

CVE-2021-38684Buffer Overflow Vulnerability in Multimedia Console

High 8.1

In plain English

A high-severity out-of-bounds write in Multimedia Console from QNAP Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)1.3%top 29.0% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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

Affected products (as reported)

Vendor	Product	Versions
QNAP Systems Inc.	Multimedia Console	unspecified – before 1.4.3 ( 2021/10/05 )unspecified – before 1.5.3 ( 2021/10/05 )

Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://www.qnap.com/en/security-advisory/qsa-21-45 x_refsource_MISC