VulnerabilityModified
CVE-2020-36320
Unsafe validation RegEx in EmailValidator class in com.vaadin:vaadin-server versions 7.0.0 through 7.7.21 (Vaadin 7.0.0 through 7.7.21) allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.
HIGH 7.5EPSS 1.96%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.96%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Unsafe validation RegEx in EmailValidator class in com.vaadin:vaadin-server versions 7.0.0 through 7.7.21 (Vaadin 7.0.0 through 7.7.21) 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
- 1.96% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- vaadin/vaadin
- Source
- security@vaadin.com
References
- https://github.com/vaadin/framework/issues/7757Exploit, Patch, Third Party Advisory
- https://github.com/vaadin/framework/pull/12104Patch, Third Party Advisory
- https://vaadin.com/security/cve-2020-36320Vendor Advisory
- https://github.com/vaadin/framework/issues/7757Exploit, Patch, Third Party Advisory
- https://github.com/vaadin/framework/pull/12104Patch, Third Party Advisory
- https://vaadin.com/security/cve-2020-36320Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.