CVE-2020-7695

Public Exploit
HTTP Response Splitting

Description

Uvicorn before 0.11.7 is vulnerable to HTTP response splitting. CRLF sequences are not escaped in the value of HTTP headers. Attackers can exploit this to add arbitrary headers to HTTP responses, or even return an arbitrary response body, whenever crafted input is used to construct HTTP headers.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.30%
Third-Party Advisory github.com Third-Party Advisory snyk.io
Affected: n/a uvicorn
Published at:
Updated at:

References

Link Tags
https://github.com/encode/uvicorn third party advisory
https://snyk.io/vuln/SNYK-PYTHON-UVICORN-570471 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-7695?
CVE-2020-7695 has been scored as a medium severity vulnerability.
How to fix CVE-2020-7695?
To fix CVE-2020-7695, 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-2020-7695 being actively exploited in the wild?
It is possible that CVE-2020-7695 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.
What software or system is affected by CVE-2020-7695?
CVE-2020-7695 affects n/a uvicorn.
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