CVE-2021-38684
Last modified
CVE-2021-38684 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 1.28% chance of exploitation in the next 30 days.
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
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qnap | Multimedia Console | < 1.4.3 |
| Qnap | Multimedia Console | 1.5.2 |
References
- https://www.qnap.com/en/security-advisory/qsa-21-45Vendor Advisory
- https://www.qnap.com/en/security-advisory/qsa-21-45Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-38684?
How severe is CVE-2021-38684?
How do I fix CVE-2021-38684?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-38678An open redirect vulnerability has been reported to affect Q…6.1
- CVE-2021-38679An improper authentication vulnerability has been reported t…9.8
- CVE-2021-3868Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2021-38680A cross-site scripting (XSS) vulnerability has been reported…6.1
- CVE-2021-38681A reflected cross-site scripting (XSS) vulnerability has bee…5.4
- CVE-2021-38682A stack buffer overflow vulnerability has been reported to a…9.8
- CVE-2021-38685A command injection vulnerability has been reported to affec…9.8
- CVE-2021-38686An improper authentication vulnerability has been reported t…8.8
- CVE-2021-38687A stack buffer overflow vulnerability has been reported to a…9.8
- CVE-2021-38688An improper authentication vulnerability has been reported t…7.5
- CVE-2021-38689A stack buffer overflow vulnerability has been reported to a…9.8
- CVE-2021-3869corenlp is vulnerable to Improper Restriction of XML Externa…7.5
Are you affected by CVE-2021-38684?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST