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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
VaadinCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 71%
VendorProductVersion
vaadinvaadin
7.0.0 ≤
𝑥
< 7.7.22
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/vaadin/framework/issues/7757
https://github.com/vaadin/framework/pull/12104
https://vaadin.com/security/cve-2020-36320
https://github.com/vaadin/framework/issues/7757
https://github.com/vaadin/framework/pull/12104
https://vaadin.com/security/cve-2020-36320