Is CVE-2021-22530 actively exploited?

No active exploitation of CVE-2021-22530 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-22530 be exploited remotely?

Yes. CVE-2021-22530 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-22530?

CVE-2021-22530 has a CVSS score of 9.9 (CRITICAL).

HOME VULNERABILITIESCVE-2021-22530

CRITICAL

CVE-2021-22530

CWE-667Published: August 28, 2024· Updated: Jun 17, 2026

9.9

CVSS v3.1

Official Description

A vulnerability identified in NetIQ Advance Authentication that doesn't enforce account lockout when brute force attack is performed on API based login. This issue may lead to user account compromise if successful or may impact server performance. This issue impacts all NetIQ Advance Authentication before 6.3.5.1

NVD Source

Technical Analysis

CVE-2021-22530 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 9.9.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.