Resource exhaustion in Vaadin
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.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.020 (78.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Vaadin — versions 7.0.0
- Vaadin Vaadin-server — versions 7.0.0
Weakness classification (CWE)
References
- security@vaadin.com (x_refsource_MISC, Vendor Advisory)
- security@vaadin.com (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
- security@vaadin.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-36320?
- CVE-2020-36320 is a high-severity vulnerability in Vaadin, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-04-23.
- How severe is CVE-2020-36320?
- High severity. CVSS v3 base score is 7.5 out of 10.