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).

Published: 2018-12-11 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-2503 is rated Moderate Risk (44.5/100): CVSS High severity, with low exploitation likelihood (EPSS 0.55%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-2503

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.19% 0.55% +0.37%
2 2025-11-21 0.15% 0.19% +0.04%
3 2025-11-18 — 0.15% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-2503

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.4 3.1 HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N Click to expand
Attack vector (AV:A)
Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 4.0 [email protected]
3.3 2.0 LOW
AV:A/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 6.5 2.9 [email protected]

Weakness enumeration for CVE-2018-2503

Affected software / configurations for CVE-2018-2503

Vendor Product Version Raw CPE
sap netweaver_application_server_java 7.11 cpe:2.3:a:sap:netweaver_application_server_java:7.11:*:*:*:*:*:*:*
sap netweaver_application_server_java 7.20 cpe:2.3:a:sap:netweaver_application_server_java:7.20:*:*:*:*:*:*:*
sap netweaver_application_server_java 7.30 cpe:2.3:a:sap:netweaver_application_server_java:7.30:*:*:*:*:*:*:*
sap netweaver_application_server_java 7.31 cpe:2.3:a:sap:netweaver_application_server_java:7.31:*:*:*:*:*:*:*
sap netweaver_application_server_java 7.40 cpe:2.3:a:sap:netweaver_application_server_java:7.40:*:*:*:*:*:*:*
sap netweaver_application_server_java 7.50 cpe:2.3:a:sap:netweaver_application_server_java:7.50:*:*:*:*:*:*:*

References for CVE-2018-2503

cvelogic Threat Intelligence