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Vulnerability record · CVE-2021-33670 · published 14 July 2021

CVE-2021-33670: Sap netweaver application server java vulnerability

Sap · Netweaver Application Server Java

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 3.1 High EPSS 3.2% · top 12.5%
7.5CVSS 3.1 base score, v2 5.0
3.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/166965/SAP-NetWeaver-Java-Denial-Of-Service.html PatchThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2022/May/4 Mailing ListPatchThird Party Advisory
https://launchpad.support.sap.com/#/notes/3056652 Permissions Required
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506 Vendor Advisory
http://packetstormsecurity.com/files/166965/SAP-NetWeaver-Java-Denial-Of-Service.html PatchThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2022/May/4 Mailing ListPatchThird Party Advisory
https://launchpad.support.sap.com/#/notes/3056652 Permissions Required
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506 Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-33670), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.