How severe is CVE-2018-2503?

CVE-2018-2503 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-2503 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-2503?

CVE-2018-2503 primarily affects Sap Netweaver Application Server Java. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-2503?

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-2018-2503 published?

CVE-2018-2503 was published on 2018-12-11 and last updated on 2026-06-17.

CVE-2018-2503

CVE-2018-2503 is a high-severity vulnerability in Sap Netweaver Application Server Java with a CVSS 3.x base score of 7.4. 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-862.

Key facts

Severity: High (CVSS 3.x base score 7.4)
CVSS v2: 3.3
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Sap Netweaver Application Server Java
Published: 2018-12-11
Last modified: 2026-06-17

Description

By default, the SAP NetWeaver AS Java keystore service does not sufficiently restrict the access to resources that should be protected. This has been fixed in SAP NetWeaver AS Java (ServerCore versions 7.11, 7.20, 7.30, 7.31, 7.40, 7.50).

Frequently asked questions

What is CVE-2018-2503?: By default, the SAP NetWeaver AS Java keystore service does not sufficiently restrict the access to resources that should be protected. This has been fixed in SAP NetWeaver AS Java (ServerCore versions 7.11, 7.20, 7.30, 7.31, 7.40, 7.50).
How severe is CVE-2018-2503?: CVE-2018-2503 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-2503 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-2503?: CVE-2018-2503 primarily affects Sap Netweaver Application Server Java. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-2503?: 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-2018-2503 published?: CVE-2018-2503 was published on 2018-12-11 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:sap:netweaver_application_server_java:7.11:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_java:7.20:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_java:7.30:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_java:7.31:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_java:7.40:*:*:*:*:*:*:*
cpe:2.3:a:sap:netweaver_application_server_java:7.50:*:*:*:*:*:*:*

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