How severe is CVE-2018-1901?

CVE-2018-1901 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2018-1901 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1901?

CVE-2018-1901 affects Ibm Websphere Application Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1901?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-1901 published?

CVE-2018-1901 was published on 2018-12-12 and last updated on 2026-06-17.

CVE-2018-1901

CVE-2018-1901 is a medium-severity vulnerability in Ibm Websphere Application Server with a CVSS 3.x base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
CVSS v2: 6.5
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Websphere Application Server
Published: 2018-12-12
Last modified: 2026-06-17

Description

IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to temporarily gain elevated privileges on the system, caused by incorrect cached value being used. IBM X-Force ID: 152530.

Frequently asked questions

What is CVE-2018-1901?: IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to temporarily gain elevated privileges on the system, caused by incorrect cached value being used. IBM X-Force ID: 152530.
How severe is CVE-2018-1901?: CVE-2018-1901 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2018-1901 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1901?: CVE-2018-1901 affects Ibm Websphere Application Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1901?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1901 published?: CVE-2018-1901 was published on 2018-12-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*

More vulnerabilities in Ibm Websphere Application Server

CVE-2015-1920 — Critical (CVSS 10.0): IBM WebSphere Application Server (WAS) 6.1 through 6.1.0.47, 7.0 before 7.0.0.39, 8.0 before 8.0.0.11, and 8.5 before…
CVE-2013-1777 — Critical (CVSS 10.0): The JMX Remoting functionality in Apache Geronimo 3.x before 3.0.1, as used in IBM WebSphere Application Server (WAS)…
CVE-2013-0462 — Critical (CVSS 10.0): Unspecified vulnerability in IBM WebSphere Application Server (WAS) 6.1, 7.0 before 7.0.0.27, 8.0, and 8.5 has unknown…
CVE-2012-5955 — Critical (CVSS 10.0): Unspecified vulnerability in the IBM HTTP Server component 5.3 in IBM WebSphere Application Server (WAS) for z/OS…
CVE-2011-1377 — Critical (CVSS 10.0): The Web Services Security component in the Web Services Feature Pack before 6.1.0.41 for IBM WebSphere Application…
CVE-2010-3186 — Critical (CVSS 10.0): IBM WebSphere Application Server (WAS) 7.x before 7.0.0.13, and WebSphere Application Server Feature Pack for Web…

All CVEs affecting Ibm Websphere Application Server →