CVE-2021-27983

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Remote Code Execution (RCE) vulnerability exists in MaxSite CMS v107.5 via the Documents page.

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

Affected software

No affected versions have been published.

Timeline

Published
Dec 10, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-279848.1In Pluck-4.7.15 admin background a remote command execution vulnerability exists when uploading files.CVE-2021-279895.4Appspace 6.2.4 is vulnerable to stored cross-site scripting (XSS) in multiple parameters within /medianet/sgcontentset.aspx.CVE-2021-279907.5Appspace 6.2.4 is vulnerable to a broken authentication mechanism where pages such as /medianet/mail.aspx can be called directly and the fraCVE-2021-279994.9A SQL injection vulnerability was discovered in the editid parameter in Local Services Search Engine Management System Project 1.0. This vulCVE-2021-280004.8A persistent cross-site scripting vulnerability was discovered in Local Services Search Engine Management System Project 1.0 which allows reCVE-2021-280015.4A cross-site scripting vulnerability was discovered in the Comments parameter in Textpattern CMS 4.8.4 which allows remote attackers to execCVE-2021-280025.4A persistent cross-site scripting vulnerability was discovered in the Excerpt parameter in Textpattern CMS 4.9.0 which allows remote attackeCVE-2021-280066.1Web Based Quiz System 1.0 is affected by cross-site scripting (XSS) in admin.php through the options parameter.CVE-2021-280076.1Web Based Quiz System 1.0 is affected by cross-site scripting (XSS) in register.php through the name parameter.CVE-2021-280217.8Buffer overflow vulnerability in function stbi__extend_receive in stb_image.h in stb 2.26 via a crafted JPEG file.CVE-2021-280227.5Blind SQL injection in the login form in ServiceTonic Helpdesk software < 9.0.35937 allows attacker to exfiltrate information via specially CVE-2021-280239.8Arbitrary file upload in Service import feature in ServiceTonic Helpdesk software version < 9.0.35937 allows a malicious user to execute JSP
CVE-2021-27983: Critical severity, CVSS 9.8 | Vulnix