CVE-2020-26820
highpriority · track · 30EPSS 0.039 · 90 %ileEUUSEPSS · scored 2026-10-22
SAP NetWeaver AS JAVA, versions - 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker who is authenticated as an administrator to use the administrator console, to expose unauthenticated access to the file system and upload a malicious file. The attacker or another user can then use a separate mechanism to execute OS commands through the uploaded file leading to Privilege Escalation and completely compromise the confidentiality, integrity and availability of the server operating system and any application running on it.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.6–9.1
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (10)
Products and version ranges known to be affected.
- sap netweaver application server java= 7.20nvdUScpe:2.3:a:sap:netweaver_application_server_java:*:*:*:*:*:*:*:*
- sap netweaver application server java= 7.30nvdUScpe:2.3:a:sap:netweaver_application_server_java:*:*:*:*:*:*:*:*
- sap netweaver application server java= 7.31nvdUScpe:2.3:a:sap:netweaver_application_server_java:*:*:*:*:*:*:*:*
- sap netweaver application server java= 7.40nvdUScpe:2.3:a:sap:netweaver_application_server_java:*:*:*:*:*:*:*:*
- sap netweaver application server java= 7.50nvdUScpe:2.3:a:sap:netweaver_application_server_java:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (14)
External citations — patches, advisories, analysis.
- http://seclists.org/fulldisclosure/2021/Apr/7cnnvd
- https://launchpad.support.sap.com/#/notes/2979062cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-26820cnnvd
- https://packetstormsecurity.com/files/162086/SAP-Java-OS-Remote-Code-Execution.htmlcnnvd
- https://vigilance.fr/vulnerability/SAP-multiple-vulnerabilities-of-November-2020-33867cnnvd
- https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=562725571cnnvd
- http://packetstormsecurity.com/files/162086/SAP-Java-OS-Remote-Code-Execution.htmlenisa_euvd
- http://seclists.org/fulldisclosure/2021/Apr/7enisa_euvd
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