CVE-2022-35920

Name: CVE-2022-35920
Creator: NVD / NIST
Published: 2022-08-01T22:15:10.347+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.96%

Last modified Jun 17, 2026

CVE-2022-35920 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Sanic is an opensource python web server/framework. Affected versions of sanic allow access to lateral directories when using `app.static` if using encoded `%2F` URLs. EPSS estimates a 0.96% chance of exploitation in the next 30 days.

Description

Sanic is an opensource python web server/framework. Affected versions of sanic allow access to lateral directories when using `app.static` if using encoded `%2F` URLs. Parent directory traversal is not impacted. Users are advised to upgrade. There is no known workaround for this issue.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.96%

57.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Sanic Project	Sanic	< 20.12.7
Sanic Project	Sanic	>= 21.0.0, < 21.12.2
Sanic Project	Sanic	>= 22.0.0, < 22.6.1

References

https://github.com/sanic-org/sanic/issues/2478Exploit, Issue Tracking, Third Party Advisory
https://github.com/sanic-org/sanic/pull/2495Patch, Third Party Advisory
https://github.com/sanic-org/sanic/security/advisories/GHSA-8cw9-5hmv-77w6Third Party Advisory
https://github.com/sanic-org/sanic/issues/2478Exploit, Issue Tracking, Third Party Advisory
https://github.com/sanic-org/sanic/pull/2495Patch, Third Party Advisory
https://github.com/sanic-org/sanic/security/advisories/GHSA-8cw9-5hmv-77w6Third Party Advisory

Timeline

Published: Aug 1, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-35920?

How severe is CVE-2022-35920?

CVE-2022-35920 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.

How do I fix CVE-2022-35920?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-35920?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST