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CVE-2021-37531

HIGHCVSS 8.8/10EPSS 3.05%

Last modified

CVE-2021-37531 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 3.05% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
3.05%

85.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SapNetweaver Knowledge Management Xml Forms7.10
SapNetweaver Knowledge Management Xml Forms7.11
SapNetweaver Knowledge Management Xml Forms7.30
SapNetweaver Knowledge Management Xml Forms7.31
SapNetweaver Knowledge Management Xml Forms7.40
SapNetweaver Knowledge Management Xml Forms7.50

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2021-37531?
CVE-2021-37531 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.05% probability of exploitation in the next 30 days.
How do I fix CVE-2021-37531?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST