CVE-2021-33254 - Vulnerability Details - OpenCVE

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.

Published: 2022-06-01

Score: 7.5 High

EPSS: 1.5% Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:a:embedthis:appweb:8.2.1:*:*:*:community:*:*:*

cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-19965	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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.01524.

Key SSVC decision points have not yet been added.

References

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

History

No history.

Subscriptions

Embedthis Appweb

Linux Linux Kernel

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-06-01T14:31:57.000Z

Updated: 2024-08-03T23:42:20.295Z

Reserved: 2021-05-20T00:00:00.000Z

Link: CVE-2021-33254

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-06-02T14:15:28.630

Modified: 2026-06-17T03:54:23.560

Link: CVE-2021-33254

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-476
NULL Pointer Dereference

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