CVE-2020-7695

HTTP Response Splitting

Medium · published July 27, 2020

CVSS v3.1
5.3
EPSS
1%
Percentile
72.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:U/RC:C
CVSS v4.0
Not supplied
EPSS
0.01386 · 72.0th percentile
Published
2020-07-27T11:25Z
EPSS history
Timeline
  • 27 JUL 11:25Z
    HTTP Response Splitting
    cvelistv5