CVE-2017-2891

CRITICAL

Cesanta Mongoose 6.8 - Use-After-Free via HTTP POST Request with CGI Target

Title source: llm
STIX 2.1

Description

An exploitable use-after-free vulnerability exists in the HTTP server implementation of Cesanta Mongoose 6.8. An ordinary HTTP POST request with a CGI target can cause a reuse of previously freed pointer potentially resulting in remote code execution. An attacker needs to send this HTTP request over the network to trigger this vulnerability.

References (1)

Core 1
Core References
Exploit, Technical Description, Third Party Advisory x_refsource_misc
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0398

Scores

CVSS v3 9.8
EPSS 0.0276
EPSS Percentile 84.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (2)
cesanta/mongoose 6.8
Cesanta/Mongoose 6.8
Published Nov 07, 2017
Tracked Since Feb 18, 2026