VULNERABILITY INTELLIGENCE

CVE-2019-20800

CVSS score9.8 CRITICAL
EPSS probability2.15%
CISA KEVNot currently listed
Published2020-05-18
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

In Cherokee through 1.2.104, remote attackers can trigger an out-of-bounds write in cherokee_handler_cgi_add_env_pair in handler_cgi.c by sending many request headers, as demonstrated by a GET request with many "Host: 127.0.0.1" headers.

Weakness classification

  • nvd@nist.gov: CWE-787

Primary references