Is CVE-2023-2905 actively exploited?

CVE-2023-2905 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2023-2905?

CVE-2023-2905 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2023-2905?

Patch guidance is available from cesanta security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-2905.

Fix CVE-2023-2905 - HIGH cesanta mongoose

Description

Due to a failure in validating the length of a provided MQTT_CMD_PUBLISH parsed message with a variable length header, Cesanta Mongoose, an embeddable web server, version 7.10 is susceptible to a heap-based buffer overflow vulnerability in the default configuration. Version 7.9 and prior does not appear to be vulnerable. This issue is resolved in version 7.11.

CVSS Metrics

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: adjacent network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-122 CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: CESANTA
Published: 8/9/2023
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

cesanta : mongoose

Remediation Guidance

Executive Summary

Cite this page

CVE-2023-2905. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2023-2905

View on NIST NVD

CVE-2023-2905 vulnerability