How severe is CVE-2018-2504?

CVE-2018-2504 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-2504 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-2504?

CVE-2018-2504 primarily affects Sap Netweaver Application Server Java. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-2504?

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

When was CVE-2018-2504 published?

CVE-2018-2504 was published on 2018-12-11 and last updated on 2026-06-17.

CVE-2018-2504

CVE-2018-2504 is a medium-severity vulnerability in Sap Netweaver Application Server Java with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Sap Netweaver Application Server Java
Published: 2018-12-11
Last modified: 2026-06-17

Description

SAP NetWeaver AS Java Web Container service does not validate against whitelist the HTTP host header which can result in HTTP Host Header Manipulation or Cross-Site Scripting (XSS) vulnerability. This is fixed in versions 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50.

Frequently asked questions

What is CVE-2018-2504?: SAP NetWeaver AS Java Web Container service does not validate against whitelist the HTTP host header which can result in HTTP Host Header Manipulation or Cross-Site Scripting (XSS) vulnerability. This is fixed in versions 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50.
How severe is CVE-2018-2504?: CVE-2018-2504 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-2504 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-2504?: CVE-2018-2504 primarily affects Sap Netweaver Application Server Java. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-2504?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-2504 published?: CVE-2018-2504 was published on 2018-12-11 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:sap:netweaver_application_server_java:7.10:*:*:*:*:*:*:*
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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