How severe is CVE-2022-35920?

CVE-2022-35920 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2022-35920 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-35920?

CVE-2022-35920 affects Sanic Project Sanic. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-35920?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-35920 published?

CVE-2022-35920 was published on 2022-08-01 and last updated on 2026-06-17.

CVE-2022-35920

CVE-2022-35920 is a high-severity vulnerability in Sanic Project Sanic with a CVSS 3.x base score of 8.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.3)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Sanic Project Sanic
Published: 2022-08-01
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-35920?: 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.
How severe is CVE-2022-35920?: CVE-2022-35920 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2022-35920 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-35920?: CVE-2022-35920 affects Sanic Project Sanic. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-35920?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-35920 published?: CVE-2022-35920 was published on 2022-08-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sanic_project:sanic:*:*:*:*:*:*:*:*

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