RCE in SAP Netweaver Knowledge Management XML Forms
CVE-2021-37531
SAP NetWeaver Knowledge Management XML Forms versions - 7.10, 7.11, 7.30, 7.31, 7.40, 7.50, contains an XSLT vulnerability which allows a non-administrative authenticated attacker to craft a malicious XSL stylesheet file containing a script with OS-level commands, copy it into a location to be accessed by the system and then create a file which will trigger the XSLT engine to execute the script contained within the malicious XSL file. This can result in a full compromise of the confidentiality, integrity, and availability of the system.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.032 (86.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Sap Netweaver_knowledge_management_xml_forms — versions 7.10, 7.11, 7.30
- Sap Se Netweaver Knowledge Management Xml Forms — versions < 7.10, < 7.11, < 7.30
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@sap.com (Permissions Required, x_refsource_MISC)
- cna@sap.com (x_refsource_MISC, Vendor Advisory)
- cna@sap.com (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
- cna@sap.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-37531?
- CVE-2021-37531 is a high-severity vulnerability in SAP Netweaver Knowledge Management XML Forms, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-09-14.
- How severe is CVE-2021-37531?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-37531 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.