CVE-2021-3943

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

A flaw was found in Moodle in versions 3.11 to 3.11.3, 3.10 to 3.10.7, 3.9 to 3.9.10 and earlier unsupported versions. A remote code execution risk when restoring backup files was identified.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Nov 22, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-394326.5diplib v3.0.0 is vulnerable to Double Free.CVE-2021-394337.5A local file inclusion (LFI) vulnerability exists in version BIQS IT Biqs-drive v1.83 and below when sending a specific payload as the file CVE-2021-394347.5A default username and password for an administrator account was discovered in ZKTeco ZKTime 10.0 through 11.1.0, builds 20180901, 20190510.CVE-2021-39446.8bookstack is vulnerable to Cross-Site Request Forgery (CSRF)CVE-2021-39456.1django-helpdesk is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CVE-2021-394586.5Triggering an error page of the import process in Yakamara Media Redaxo CMS version 5.12.1 allows an authenticated CMS user has to alternateCVE-2021-394597.2Remote code execution in the modules component in Yakamara Media Redaxo CMS version 5.12.1 allows an authenticated CMS user to execute code CVE-2021-39475.5A stack-buffer-overflow was found in QEMU in the NVME component. The flaw lies in nvme_changed_nslist() where a malicious guest controlling CVE-2021-394735.4Saibamen HotelManager v1.2 is vulnerable to Cross Site Scripting (XSS) due to improper sanitization of comment and contact fields.CVE-2021-394747.2Vulnerability in the product Docsis 3.0 UBC1319BA00 Router supported affected version 1319010201r009. The vulnerability allows an attacker wCVE-2021-39486.3An incorrect default permissions vulnerability was found in the mig-controller. Due to an incorrect cluster namespaces handling an attacker CVE-2021-394807.5Bingrep v0.8.5 was discovered to contain a memory allocation failure which can cause a Denial of Service (DoS).
CVE-2021-3943: Critical severity, CVSS 9.8 | Vulnix