CVE-2021-31406: medium-severity vulnerability in Vaadin
Timing side channel vulnerability in endpoint request handler in Vaadin 15-19
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4epss 0.2%
Non-constant-time comparison of CSRF tokens in endpoint request handler in com.vaadin:flow-server versions 3.0.0 through 5.0.3 (Vaadin 15.0.0 through 18.0.6), and com.vaadin:fusion-endpoint version 6.0.0 (Vaadin 19.0.0) allows attacker to guess a security token for Fusion endpoints via timing attack.
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Related CVEs — Vaadin
In the same product, most dangerous first.
CVE-2021-31407HIGHServer classes and resources exposure in OSGi applications using Vaadin 12-14 and 19EPSS 2.4%CVE-2020-36320HIGHRegular expression Denial of Service (ReDoS) in EmailValidator class in Vaadin 7EPSS 2.0%CVE-2021-31409HIGHServer session is not invalidated when logout() helper method of Authentication module is used in Vaadin 18-19EPSS 1.7%CVE-2021-31412MEDIUMPossible route enumeration in production mode via RouteNotFoundError view in Vaadin 10, 11-14, and 15-19EPSS 1.3%CVE-2020-36321MEDIUMDirectory traversal in development mode handler in Vaadin 14 and 15-17EPSS 1.2%CVE-2021-31405HIGHRegular expression denial of service (ReDoS) in EmailField component in Vaadin 14 and 15-17EPSS 1.1%