CVE-2021-4433
highpriority · track · 30EPSS 0.013 · 69 %ileEUUSEPSS · scored 2026-10-27
A vulnerability was found in Karjasoft Sami HTTP Server 2.0. It has been classified as problematic. Affected is an unknown function of the component HTTP HEAD Rrequest Handler. The manipulation leads to denial of service. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-250836.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2021-4433/cnnvd
- https://packetstormsecurity.com/files/163138/Sami-HTTP-Server-2.0-Denial-Of-Service.htmlcnnvd
- https://vuldb.com/?ctiid.250836cnnvd
- https://vuldb.com/?id.250836cnnvd
- https://packetstormsecurity.com/files/163138/Sami-HTTP-Server-2.0-Denial-Of-Service.htmlenisa_euvd
- https://vuldb.com/?ctiid.250836enisa_euvd
- https://vuldb.com/?id.250836enisa_euvd
- https://packetstormsecurity.com/files/163138/Sami-HTTP-Server-2.0-Denial-Of-Service.htmlExploitThird Party AdvisoryVDB Entrynvd
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