Cleartext storage of sensitive information in SAP NetWeaver AS JAVA
Key facts
- Attack vector
- Adjacent network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-312.
Summary
SAP AS JAVA (Key Storage Service), versions - 7.10, 7.11, 7.20 ,7.30, 7.31, 7.40, 7.50, has the key material which is stored in the SAP NetWeaver AS Java Key Storage service stored in the database in the DER encoded format and is not encrypted. This enables an attacker who has administrator access to the SAP NetWeaver AS Java to decode the keys because of missing encryption and get some application data and client credentials of adjacent systems. This highly impacts Confidentiality as information disclosed could contain client credentials of adjacent systems.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SAP | SAP NetWeaver AS JAVA (Key Storage Service) | before 7.10; before 7.11; before 7.20; before 7.30; before 7.31; before 7.40; before 7.50 | 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50 | Patch available | CNA |
- SAP NetWeaver AS JAVA (Key Storage Service) VendorSAP Affected before 7.10; before 7.11; before 7.20; before 7.30; before 7.31; before 7.40; before 7.50 Fixed in 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50 Patch available CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sap:netweaver_application_server_java:7.10:*:*:*:*:*:*:* | 7.10 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_java:7.11:*:*:*:*:*:*:* | 7.11 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_java:7.20:*:*:*:*:*:*:* | 7.20 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_java:7.30:*:*:*:*:*:*:* | 7.30 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_java:7.31:*:*:*:*:*:*:* | 7.31 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_java:7.40:*:*:*:*:*:*:* | 7.40 | Vulnerable | SAP |
| cpe:2.3:a:sap:netweaver_application_server_java:7.50:*:*:*:*:*:*:* | 7.50 | Vulnerable | SAP |
- cpe:2.3:a:sap:netweaver_application_server_java:7.10:*:*:*:*:*:*:* Versions 7.10 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_java:7.11:*:*:*:*:*:*:* Versions 7.11 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_java:7.20:*:*:*:*:*:*:* Versions 7.20 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_java:7.30:*:*:*:*:*:*:* Versions 7.30 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_java:7.31:*:*:*:*:*:*:* Versions 7.31 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_java:7.40:*:*:*:*:*:*:* Versions 7.40 Vulnerable ·SAP
- cpe:2.3:a:sap:netweaver_application_server_java:7.50:*:*:*:*:*:*:* Versions 7.50 Vulnerable ·SAP
Remediation
- Fix · CNA SAP NetWeaver AS JAVA (Key Storage Service) (SAP SE) Fixed in 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50
Timeline
- 2026-10-02 Threatist record created from CVE-2020-26816
- 2026-10-03 Alias added: GHSA-m82p-m5vr-cmhm
References
More SAP Netweaver Application Server Java vulnerabilities
- TI-2020-05139 Missing authentication in SAP NetWeaver AS JAVA KEVCVSS 3.1CRITICAL 10.0
- TI-2016-02146 SQL injection vulnerability in the UDDI server in SAP NetWeaver J2EE Engine 7.40 allows… KEVCVSS 3.1CRITICAL 9.8
- TI-2010-05023 The Invoker Servlet on SAP NetWeaver Application Server Java platforms, possibly before… KEVCVSS 3.1CRITICAL 10.0
- TI-2017-09362 Directory traversal vulnerability in scheduler/ui/js/ffffffffbca41eb4/UIUtilJavaScriptJS… KEVCVSS 3.1HIGH 7.5
- TI-2016-03377 Directory traversal vulnerability in SAP NetWeaver AS Java 7.1 through 7.5 allows remote… KEVCVSS 3.1HIGH 7.5
- TI-2016-07786 BC-BMT-BPM-DSK in SAP NetWeaver AS JAVA 7.5 allows remote authenticated users to conduct… KEVCVSS 3.1MEDIUM 6.5
Sources
- CVE-2020-26816 · CVE Program
- CVE-2020-26816 · NVD
- FIRST EPSS
- GHSA-m82p-m5vr-cmhm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences