CVE-2019-20800: cherokee-project cherokee Out-of-bounds Write
Vulnerability summary
CVE-2019-20800 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in cherokee-project cherokee. EPSS estimates a 2.15% chance of exploitation in the next 30 days, higher than 81.8% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 17-05-2020PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
2.15%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
0.00 pp
From 2.15% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundWebserver
Maturity: poc
Exploit Reference (logicaltrust.net)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Cherokee-project1 product
- cherokee≤ 1.2.104
1 vendor · 1 product