CVE-2021-33670

HIGH

7.5

CVSS Score

Published: July 14, 2021 at 11:04 AM UTC

Updated: June 17, 2026 at 03:55 AM UTC

1 product affected across 1 vendorNetweaver Application Server Java

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Severity

HIGH7.5

Exploit prediction

EPSS 3%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Netweaver Application Server Java · SAP

95%

v < 7.10v < 7.11v < 7.20v < 7.30v < 7.31v < 7.40v < 7.507.10 7.11 7.20 7.30 7.31 7.40 7.50

Affected range stops below 7.10, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.11, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.20, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.30, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.31, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.40, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.50, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

x_refsource_MISCPatchThird Party AdvisoryVDB Entry

Source: [email protected]

http://packetstormsecurity.com/files/166965/SAP-NetWeaver-Java-Denial-Of-Service.html

Mailing Listx_refsource_FULLDISCPatchThird Party Advisory

Source: [email protected]

http://seclists.org/fulldisclosure/2022/May/4

x_refsource_MISCPermissions Required

Source: [email protected]

https://launchpad.support.sap.com/#/notes/3056652

x_refsource_MISCVendor Advisory

Source: [email protected]

https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

NVD-CWE-noinfo

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