Is CVE-2021-33205 actively exploited?

No active exploitation of CVE-2021-33205 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-33205 be exploited remotely?

Yes. CVE-2021-33205 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-33205?

CVE-2021-33205 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2021-33205

NVD-CWE-noinfoPublished: June 11, 2021· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

Western Digital EdgeRover before 0.25 has an escalation of privileges vulnerability where a low privileged user could load malicious content into directories with higher privileges, because of how Node.js is used. An attacker can gain admin privileges and carry out malicious activities such as creating a fake library and stealing user credentials.

NVD Source

Technical Analysis

CVE-2021-33205 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.