Vulnerability Details : CVE-2018-2492
SAML 2.0 functionality in SAP NetWeaver AS Java, does not sufficiently validate XML documents received from an untrusted source. This is fixed in versions 7.2, 7.30, 7.31, 7.40 and 7.50.
Vulnerability category: XML external entity (XXE) injection
Products affected by CVE-2018-2492
- cpe:2.3:a:sap:netweaver_application_server_java:7.50:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_application_server_java:7.40:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_application_server_java:7.30:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_application_server_java:7.20:*:*:*:*:*:*:*
- cpe:2.3:a:sap:netweaver_application_server_java:7.31:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-2492
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-2492
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:P/A:P |
8.0
|
4.9
|
NIST | |
|
7.1
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H |
2.8
|
4.2
|
NIST |
CWE ids for CVE-2018-2492
-
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-2492
-
https://launchpad.support.sap.com/#/notes/2642680
SAP ONE Support Launchpad: Log OnPermissions Required
-
http://www.securityfocus.com/bid/106153
SAP NetWeaver AS Java CVE-2018-2492 XML External Entity Injection VulnerabilityThird Party Advisory;VDB Entry
-
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=508559699
SAP Security Patch Day – December 2018 - Product Security Response at SAP - SCN WikiVendor Advisory
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