CVE-2021-3930

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

An off-by-one error was found in the SCSI device emulation in QEMU. It could occur while processing MODE SELECT commands in mode_sense_page() if the 'page' argument was set to MODE_PAGE_ALLS (0x3f). A malicious guest could use this flaw to potentially crash QEMU, resulting in a denial of service condition.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 18, 2022
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-393008.8Potential vulnerabilities have been identified in UEFI firmware (BIOS) for some PC products which may allow escalation of privilege and arbiCVE-2021-393018.8Potential vulnerabilities have been identified in UEFI firmware (BIOS) for some PC products which may allow escalation of privilege and arbiCVE-2021-393029.8MISP 2.4.148, in certain configurations, allows SQL injection via the app/Model/Log.php $conditions['org'] value.CVE-2021-393039.8The server in Jamf Pro before 10.32.0 has an SSRF vulnerability, aka PI-006352. NOTE: Jamf Nation will also publish an article about this vuCVE-2021-393047.5Proofpoint Enterprise Protection before 8.12.0-2108090000 allows security control bypass.CVE-2021-393069.8A stack buffer overflow was discovered on Realtek RTL8195AM device before 2.0.10, it exists in the client code when an attacker sends a big CVE-2021-393076.1PDFTron's WebViewer UI 8.0 or below renders dangerous URLs as hyperlinks in supported documents, including JavaScript URLs, allowing the exeCVE-2021-393086.1The WooCommerce myghpay Payment Gateway WordPess plugin is vulnerable to Reflected Cross-Site Scripting via the clientref parameter found inCVE-2021-393096.1The Parsian Bank Gateway for Woocommerce WordPress plugin is vulnerable to Reflected Cross-Site Scripting via and parameter due to a var_dumCVE-2021-39314.3snipe-it is vulnerable to Cross-Site Request Forgery (CSRF)CVE-2021-393106.1The Real WYSIWYG WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of PHP_SELF in the ~/real-wysiwyg.php file CVE-2021-393116.1The link-list-manager WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the category parameter found in the ~/llm.php fil
CVE-2021-3930: Medium severity, CVSS 6.5 | Vulnix