CVE-2021-3947
Last modified
CVE-2021-3947 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A stack-buffer-overflow was found in QEMU in the NVME component. The flaw lies in nvme_changed_nslist() where a malicious guest controlling certain input can read out of bounds memory. EPSS estimates a 0.31% chance of exploitation in the next 30 days.
Description
A stack-buffer-overflow was found in QEMU in the NVME component. The flaw lies in nvme_changed_nslist() where a malicious guest controlling certain input can read out of bounds memory. A malicious user could use this flaw leading to disclosure of sensitive information.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Qemu | Qemu | >= 6.0.0, <= 6.1.0 | — |
| Qemu | Qemu | 6.2.0 | Rc0 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2021869Issue Tracking, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/202208-27Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220318-0003/Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2021869Issue Tracking, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/202208-27Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220318-0003/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-3947?
How severe is CVE-2021-3947?
How do I fix CVE-2021-3947?
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-2021-39433A local file inclusion (LFI) vulnerability exists in version…7.5
- CVE-2021-39434A default username and password for an administrator account…7.5
- CVE-2021-3944bookstack is vulnerable to Cross-Site Request Forgery (CSRF)6.8
- CVE-2021-3945django-helpdesk is vulnerable to Improper Neutralization of …6.1
- CVE-2021-39458Triggering an error page of the import process in Yakamara M…6.5
- CVE-2021-39459Remote code execution in the modules component in Yakamara M…7.2
- CVE-2021-39473Saibamen HotelManager v1.2 is vulnerable to Cross Site Scrip…5.4
- CVE-2021-39474Vulnerability in the product Docsis 3.0 UBC1319BA00 Router s…7.2
- CVE-2021-3948An incorrect default permissions vulnerability was found in …6.3
- CVE-2021-39480Bingrep v0.8.5 was discovered to contain a memory allocation…7.5
- CVE-2021-39486A Stored XSS via Malicious File Upload exists in Gila CMS ve…5.4
- CVE-2021-39491A Cross Site Scripting (XSS) vulnerability exists in Yogesh …5.4
Are you affected by CVE-2021-3947?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST