SAP Portal – Authenticated XXE in SystemFromParConverter
Impact On Business
- Successful attacks impact the confidentiality of the SAP Portal.
Vulnerability Details
The web service com.sap.portal.ivs.systemlandscapeservice.SystemFromParConverter in SAP Portal resolving external entities during the parsing of the PAR file. Attackers could reference http requests or file access by new entities, making the parser load the result when the entities are included.
Solution
SAP has released SAP Note 3284550 which provides patched versions of the affected components.
The patches can be downloaded from https://me.sap.com/notes/3284550.
Onapsis strongly recommends SAP customers to download the related security fixes and apply them to the affected components in order to reduce business risks.
Report Timeline
- 15/12/2022: Onapsis sends details to SAP
- 16/12/2022: SAP acknowledges the report
- 03/14/2023: SAP releases SAP Note fixing the issue
References
- Onapsis blogpost: https://onapsis.com/blog/sap-patch-day-march-2023/
- CVE Mitre: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-26461
- Vendor Patch: https://me.sap.com/notes/3284550
Advisory Information
- Public Release Date: 08/18/25
- Security Advisory ID: ONAPSIS-2024-0018
- Researcher(s): Yvan Genuer
Vulnerability Information
- Vendor: SAP
- Affected Components: SAP Enterprise Portal
- EP RUNTIME 7.50 SP020 PL11 and lower
- EP RUNTIME 7.50 SP021 PL11 and lower
- EP RUNTIME 7.50 SP022 PL13 and lower
- EP RUNTIME 7.50 SP023 PL09 and lower
- EP RUNTIME 7.50 SP024 PL08 and lower
- EP RUNTIME 7.50 SP025 PL05 and lower
(Check SAP Note 3284550 for detailed information on affected releases)
- Vulnerability Class: CWE-611
- CVSS v3 score: 6.8 AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
- Risk Level: Medium
- Assigned CVE: CVE-2023-26461
- Vendor patch Information: SAP Security NOTE 3284550
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Find all reported vulnerabilities at:
https://github.com/Onapsis/vulnerability_advisories
This advisory is licensed under a Creative Commons 4.0 BY-ND International License