How severe is CVE-2019-18903?

CVE-2019-18903 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-18903 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-18903?

CVE-2019-18903 primarily affects Suse Linux Enterprise Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-18903?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-18903 published?

CVE-2019-18903 was published on 2020-03-02 and last updated on 2026-06-17.

CVE-2019-18903

CVE-2019-18903 is a high-severity vulnerability in Suse Linux Enterprise Server with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.5
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Suse Linux Enterprise Server
Published: 2020-03-02
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2019-18903?: 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.
How severe is CVE-2019-18903?: CVE-2019-18903 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-18903 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18903?: CVE-2019-18903 primarily affects Suse Linux Enterprise Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-18903?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-18903 published?: CVE-2019-18903 was published on 2020-03-02 and last updated on 2026-06-17.

References

https://bugzilla.suse.com/show_bug.cgi?id=1160904

Affected products (3)

cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:12:*:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:15:*:*:*:*:*:*:*

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