VULNERABILITY INTELLIGENCE

CVE-2020-25756

CVSS score9.8 CRITICAL
EPSS probability1.62%
CISA KEVNot currently listed
Published2020-09-18
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

A buffer overflow vulnerability exists in the mg_get_http_header function in Cesanta Mongoose 6.18 due to a lack of bounds checking. A crafted HTTP header can exploit this bug. NOTE: a committer has stated "this will not happen in practice.

Weakness classification

  • nvd@nist.gov: CWE-120

Primary references