CVE-2020-11709

Public Exploit

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.31%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/yhirose/cpp-httplib/issues/425 third party advisory exploit
https://gist.github.com/shouc/a9330df817128bc4c4132abf3de09495 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-11709?
CVE-2020-11709 has been scored as a high severity vulnerability.
How to fix CVE-2020-11709?
To fix CVE-2020-11709, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-11709 being actively exploited in the wild?
It is possible that CVE-2020-11709 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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