Is CVE-2021-36461 actively exploited?

No active exploitation of CVE-2021-36461 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-36461 be exploited remotely?

Yes. CVE-2021-36461 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-36461?

CVE-2021-36461 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2021-36461

HIGH

CVE-2021-36461

CWE-434Published: July 15, 2022· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

An Arbitrary File Upload vulnerability exists in Microweber 1.1.3 that allows attackers to getshell via the Settings Upload Picture section by uploading pictures with malicious code, user.ini.

NVD Source

Technical Analysis

CVE-2021-36461 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.