CVE-2021-31408
Server session is not invalidated when logout() helper method of Authentication module is used in Vaadin 18-19
6.3CVSSMEDIUM
Description
Authentication.logout() helper in com.vaadin:flow-client versions 5.0.0 prior to 6.0.0 (Vaadin 18), and 6.0.0 through 6.0.4 (Vaadin 19.0.0 through 19.0.3) uses incorrect HTTP method, which, in combination with Spring Security CSRF protection, allows local attackers to access Fusion endpoints after the user attempted to log out.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:HAttack ComplexityHigh
PR:NPrivileges RequiredNone
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:NAvailabilityNone
Weaknesses
Affected Products
Attack Graph
Products CVE Techniques Tactics
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Exploitability
Official Patch Available
MITRE ATT&CK
2 techniques Defense Evasion
Initial Access
References
https://vaadin.com/security/cve-2021-31408
vaadin.com
https://github.com/vaadin/flow/pull/10577
github.com
https://github.com/vaadin/platform/security/advisories/GHSA-mr8h-j9cv-4m8h
github.com
and 1 more references View all →
Timeline
Published
Apr 23, 2021
Last Updated
Nov 21, 2024
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