Python
CVE-2022-35920
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
Sanic is an opensource python web server/framework. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
Technical ContextAI
This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. 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. Affected products include: Sanic Project Sanic.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.
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Same weakness CWE-22 – Path Traversal
View allSame technique Path Traversal
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External POC / Exploit Code
Leaving vuln.today