CVE-2021-33670

Description

SAP NetWeaver AS for Java (Http Service Monitoring Filter), versions - 7.10, 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker to send multiple HTTP requests with different method types thereby crashing the filter and making the HTTP server unavailable to other legitimate users leading to denial of service vulnerability.

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 3.0 •

CVSS 2.0 •

EPSS 1.85% Top 20%

Vendor Advisory sap.com

Affected: SAP SE SAP NetWeaver AS for Java (Http Service)

References

Link	Tags
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506	vendor advisory
https://launchpad.support.sap.com/#/notes/3056652	permissions required
http://seclists.org/fulldisclosure/2022/May/4	patch mailing list third party advisory
http://packetstormsecurity.com/files/166965/SAP-NetWeaver-Java-Denial-Of-Service.html	patch third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2021-33670?: CVE-2021-33670 has been scored as a high severity vulnerability.
How to fix CVE-2021-33670?: To fix CVE-2021-33670, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-33670 being actively exploited in the wild?: It is possible that CVE-2021-33670 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-33670?: CVE-2021-33670 affects SAP SE SAP NetWeaver AS for Java (Http Service).

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.