Exploitation Summary
CVE-2019-6802 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.
Description
CRLF Injection in pypiserver 1.2.5 and below allows attackers to set arbitrary HTTP headers and possibly conduct XSS attacks via a %0d%0a in a URI.
Nuclei Templates (1)
Pypiserver <1.2.5 - Carriage Return Line Feed Injection
MEDIUMVERIFIEDby 0x_Akoko
Shodan:
html:"pypiserver" || http.html:"pypiserver"
FOFA:
body="pypiserver"
References (1)
Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://github.com/pypiserver/pypiserver/issues/237
Scores
CVSS v3
6.1
EPSS
0.0392
EPSS Percentile
89.0%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-74
CWE-79
Status
published
Products (2)
pypi/pypiserver
0 - 1.2.6PyPI
python/pypiserver
< 1.2.5
Published
Jan 25, 2019
Tracked Since
Feb 18, 2026