Is CVE-2022-23989 actively exploited?

No active exploitation of CVE-2022-23989 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-23989 be exploited remotely?

Yes. CVE-2022-23989 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-23989?

CVE-2022-23989 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2022-23989

HIGH

CVE-2022-23989

NVD-CWE-noinfoPublished: March 15, 2022· Updated: Jun 17, 2026

7.5

CVSS v3.1

Official Description

In Stormshield Network Security (SNS) before 3.7.25, 3.8.x through 3.11.x before 3.11.13, 4.x before 4.2.10, and 4.3.x before 4.3.5, a flood of connections to the SSLVPN service might lead to saturation of the loopback interface. This could result in the blocking of almost all network traffic, making the firewall unreachable. An attacker could exploit this via forged and properly timed traffic to cause a denial of service.

NVD Source

Technical Analysis

CVE-2022-23989 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 availability disruption (denial of service), with a CVSS base score of 7.5.