High severity · published Jul 14, 2021
CVE-2021-33670
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…
7.5
CVSS
3.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.2% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NA
Netweaver Application Server Java · Sap
7.10; 7.11; 7.20; 7.30; 7.31; 7.40; +1 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33670
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33670
Patch
http://packetstormsecurity.com/files/166965/SAP-NetWeaver-Java-Denial-Of-Service.html
Mailing List
http://seclists.org/fulldisclosure/2022/May/4
Permissions Required
https://launchpad.support.sap.com/#/notes/3056652
Vendor Advisory
https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=580617506
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