CVE-2021-31409
Unsafe validation RegEx in EmailValidator component in com.vaadin:vaadin-compatibility-server versions 8.0.0 through 8.12.4 (Vaadin versions 8.0.0 through 8.12.4) allows attackers to cause uncontrolled resource consumption by submitting malicious email…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Unsafe validation RegEx in EmailValidator component in com.vaadin:vaadin-compatibility-server versions 8.0.0 through 8.12.4 (Vaadin versions 8.0.0 through 8.12.4) allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.67% probability · 75th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- vaadin/vaadin
- Source
- security@vaadin.com
References
- https://github.com/vaadin/framework/issues/12240Patch, Third Party Advisory
- https://github.com/vaadin/framework/pull/12241Patch, Third Party Advisory
- https://vaadin.com/security/cve-2021-31409Vendor Advisory
- https://github.com/vaadin/framework/issues/12240Patch, Third Party Advisory
- https://github.com/vaadin/framework/pull/12241Patch, Third Party Advisory
- https://vaadin.com/security/cve-2021-31409Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.