What’s Vulnerable › Vulnerabilities

CVE-2021-33670

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-07-14 · updated 2026-06-17

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.

Affected products

• SAP NetWeaver AS Java: 7.10, 7.11, 7.20, 7.30, 7.31, 7.40 (+1)

References

• http://packetstormsecurity.com/files/166965/SAP-NetWeaver-Java-Denial-Of-Service.html
• http://seclists.org/fulldisclosure/2022/May/4
• https://launchpad.support.sap.com/#/notes/3056652
• https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506
• http://packetstormsecurity.com/files/166965/SAP-NetWeaver-Java-Denial-Of-Service.html
• http://seclists.org/fulldisclosure/2022/May/4
• https://launchpad.support.sap.com/#/notes/3056652
• https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506

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