PT-2022-10223 · Unknown · Appweb Community Edition

Awxylitol · Published 2022-06-01 · Updated 2022-06-09 · CVE-2021-33254

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Appweb Community Edition version 8.2.1

Description An issue was discovered in the src/http/httpLib.c file, allowing attackers to cause a denial of service via the stream parameter to the parseUri function.

Recommendations For Appweb Community Edition version 8.2.1, consider disabling the parseUri function until a patch is available to prevent potential denial of service attacks.

Exploit

Fix

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2021-33254

Affected Products

Appweb Community Edition

References · 3

• 🔥 https://awxylitol.github.io/2021/05/09/embedthis-appweb-npd-bug.html · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-33254 · Security Note
• https://osv.dev/vulnerability/CVE-2021-33254 · Vendor Advisory