Is CVE-2021-3833 actively exploited?

No active exploitation of CVE-2021-3833 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-3833 be exploited remotely?

Yes. CVE-2021-3833 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-3833?

CVE-2021-3833 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2021-3833

CRITICAL

CVE-2021-3833

CWE-697Published: October 7, 2021· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Integria IMS login check uses a loose comparator ("==") to compare the MD5 hash of the password provided by the user and the MD5 hash stored in the database. An attacker with a specific formatted password could exploit this vulnerability in order to login in the system with different passwords.

NVD Source

Technical Analysis

CVE-2021-3833 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), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.