Is CVE-2019-3733 actively exploited?

No active exploitation of CVE-2019-3733 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-3733 be exploited remotely?

Yes. CVE-2019-3733 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-3733?

CVE-2019-3733 has a CVSS score of 4.9 (MEDIUM).

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MEDIUM

CVE-2019-3733

CWE-316Published: September 30, 2019· Updated: Jun 17, 2026

4.9

CVSS v3.1

Official Description

RSA BSAFE Crypto-C Micro Edition, all versions prior to 4.1.4, is vulnerable to three (3) different Improper Clearing of Heap Memory Before Release vulnerability, also known as 'Heap Inspection vulnerability'. A malicious remote user could potentially exploit this vulnerability to extract information leaving data at risk of exposure.

NVD Source

Technical Analysis

CVE-2019-3733 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high 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), with a CVSS base score of 4.9.