CVE-2020-11709

high

Description

cpp-httplib through 0.5.8 does not filter \r\n in parameters passed into the set_redirect and set_header functions, which creates possibilities for CRLF injection and HTTP response splitting in some specific contexts.

References

https://github.com/yhirose/cpp-httplib/issues/425

https://gist.github.com/shouc/a9330df817128bc4c4132abf3de09495

Details

Source: Mitre, NVD

Published: 2020-04-12

Updated: 2025-08-05

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Severity: High

EPSS

EPSS: 0.00312