How severe is CVE-2015-1920?

CVE-2015-1920 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2015-1920 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-1920?

CVE-2015-1920 primarily affects Ibm Websphere Application Server. In total, 78 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-1920?

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

When was CVE-2015-1920 published?

CVE-2015-1920 was published on 2015-05-20 and last updated on 2026-06-17.

CVE-2015-1920

CVE-2015-1920 is a critical-severity vulnerability in Ibm Websphere Application Server with a CVSS 2.0 base score of 10.0. 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-284.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Ibm Websphere Application Server
Published: 2015-05-20
Last modified: 2026-06-17

Description

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 8.5.5.6 allows remote attackers to execute arbitrary code by sending crafted instructions in a management-port session.

Frequently asked questions

What is CVE-2015-1920?: 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 8.5.5.6 allows remote attackers to execute arbitrary code by sending crafted instructions in a management-port session.
How severe is CVE-2015-1920?: CVE-2015-1920 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2015-1920 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-1920?: CVE-2015-1920 primarily affects Ibm Websphere Application Server. In total, 78 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-1920?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2015-1920 published?: CVE-2015-1920 was published on 2015-05-20 and last updated on 2026-06-17.

References

Affected products (78)

cpe:2.3:a:ibm:websphere_application_server:6.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.9:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.11:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.12:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.13:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.14:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.15:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.17:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.19:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.21:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.23:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.25:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.27:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.29:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.31:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.33:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.35:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.37:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.39:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.41:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.43:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.45:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:6.1.0.47:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.10:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.11:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.12:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.13:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.14:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:7.0.0.15:*:*:*:*:*:*:*

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