CVE-2019-20800
CRITICAL
9.8
CVSS Score
Published: May 17, 2020 at 11:05 PM UTC
Updated: June 17, 2026 at 02:31 AM UTC
1 product affected across 1 vendorCherokee
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Severity
CRITICAL9.8
Exploit prediction
EPSS 2%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 1.2.104
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/cherokee/webserver/issues/1224x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://logicaltrust.net/blog/2019/11/cherokee.htmlVendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202012-09CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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