What is CVE-2020-7695?

CVE-2020-7695 is a medium-severity vulnerability in Encode Uvicorn, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 5.3/10. Published 2020-07-27.

How severe is CVE-2020-7695?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Encode Uvicorn

CVE-2020-7695

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.

EPSS: 0.014 (68.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Encode Uvicorn
N/a Uvicorn — versions 0

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

References

report@snyk.io (Third Party Advisory, x_refsource_MISC)
report@snyk.io (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-7695?: CVE-2020-7695 is a medium-severity vulnerability in Encode Uvicorn, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 5.3/10. Published 2020-07-27.
How severe is CVE-2020-7695?: Medium severity. CVSS v3 base score is 5.3 out of 10.