CVE-2021-33254

7.5 highEPSS 1.5%

High (7.5) in embedthis appweb. EPSS 1.5% chance of exploitation in the next 30 days.

An issue was discovered in src/http/httpLib.c in EmbedThis Appweb Community Edition 8.2.1, allows attackers to cause a denial of service via the stream paramter to the parseUri function.

Severity

CVSS 3.1

7.5 high

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

EPSS: 1.5% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2022-06-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

embedthis:appweb

References

https://awxylitol.github.io/2021/05/09/embedthis-appweb-npd-bug.html
https://awxylitol.github.io/2021/05/09/embedthis-appweb-npd-bug.html

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