Is CVE-2019-18903 actively exploited?

No active exploitation of CVE-2019-18903 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-18903 be exploited remotely?

Yes. CVE-2019-18903 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-18903?

CVE-2019-18903 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2019-18903

CWE-416Published: March 2, 2020· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A Use After Free vulnerability in wicked of SUSE Linux Enterprise Server 12, SUSE Linux Enterprise Server 15; openSUSE Leap 15.1, Factory allows remote attackers to cause DoS or potentially code execution. This issue affects: SUSE Linux Enterprise Server 12 wicked versions prior to 0.6.60-2.18.1. SUSE Linux Enterprise Server 15 wicked versions prior to 0.6.60-28.26.1. openSUSE Leap 15.1 wicked versions prior to 0.6.60-lp151.2.9.1. openSUSE Factory wicked versions prior to 0.6.62.

NVD Source

Technical Analysis

CVE-2019-18903 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.

From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.