Is CVE-2021-33254 actively exploited?

CVE-2021-33254 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-33254?

CVE-2021-33254 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2021-33254?

Patch guidance is available from embedthis security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-33254.

Fix CVE-2021-33254 - HIGH embedthis appweb

Description

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.

CVSS Metrics

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 Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-476 · NULL Pointer Dereference

Metadata

Primary Vendor: EMBEDTHIS
Published: 6/2/2022
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2021-33254

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary