VulnerabilityModified
CVE-2021-31403
Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:vaadin-server versions 7.0.0 through 7.7.23 (Vaadin 7.0.0 through 7.7.23), and 8.0.0 through 8.12.2 (Vaadin 8.0.0 through 8.12.2) allows attacker to guess a security token…
LOW 2.5EPSS 0.31%
Does this matter?
Lower severity and a low EPSS score (0.31%). Track it; it rarely justifies an emergency change on its own.
Description
Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:vaadin-server versions 7.0.0 through 7.7.23 (Vaadin 7.0.0 through 7.7.23), and 8.0.0 through 8.12.2 (Vaadin 8.0.0 through 8.12.2) allows attacker to guess a security token via timing attack
- CVSS 3.1
- 2.5 LOWCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 0.31% probability · 23th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-208, CWE-203
- Affected
- vaadin/vaadin
- Source
- security@vaadin.com
References
- https://github.com/vaadin/framework/pull/12188Patch, Third Party Advisory
- https://github.com/vaadin/framework/pull/12190Patch, Third Party Advisory
- https://vaadin.com/security/cve-2021-31403Vendor Advisory
- https://github.com/vaadin/framework/pull/12188Patch, Third Party Advisory
- https://github.com/vaadin/framework/pull/12190Patch, Third Party Advisory
- https://vaadin.com/security/cve-2021-31403Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.