Vulnerability Details : CVE-2020-26820
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.
Vulnerability category: Gain privilege
Products affected by CVE-2020-26820
- 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-2020-26820
0.52%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 74 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-26820
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
9.1
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
2.3
|
6.0
|
SAP SE | |
7.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
NIST |
CWE ids for CVE-2020-26820
-
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-26820
-
http://seclists.org/fulldisclosure/2021/Apr/7
Full Disclosure: Onapsis Security Advisory 2021-0004: [CVE-2020-26820] - SAP Java OS Remote Code ExecutionMailing List;Third Party Advisory
-
https://launchpad.support.sap.com/#/notes/2979062
SAP ONE Support Launchpad: Log OnPermissions Required;Vendor Advisory
-
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=562725571
SAP Security Patch Day – November 2020 - Product Security Response at SAP - Community WikiVendor Advisory
-
http://packetstormsecurity.com/files/162086/SAP-Java-OS-Remote-Code-Execution.html
SAP Java OS Remote Code Execution ≈ Packet StormThird Party Advisory;VDB Entry
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