VULNERABILITY INTELLIGENCE

CVE-2018-20355

CVSS score9.8 CRITICAL
EPSS probability3.57%
CISA KEVNot currently listed
Published2019-06-10
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

An invalid write of 8 bytes due to a use-after-free vulnerability in the mg_http_free_proto_data_cgi function call in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.

Weakness classification

  • CWE-416: Use After Free

Primary references