High severity · published Apr 23, 2021
CVE-2021-31405
Unsafe validation RegEx in EmailField component in com.vaadin:vaadin-text-field-flow versions 2.0.4 through 2.3.2 (Vaadin 14.0.6 through 14.4.3), and 3.0.0 through 4.0.2 (Vaadin…
7.5
CVSS
1.1%
EPSS
No
On KEV
Description
Unsafe validation RegEx in EmailField component in com.vaadin:vaadin-text-field-flow versions 2.0.4 through 2.3.2 (Vaadin 14.0.6 through 14.4.3), and 3.0.0 through 4.0.2 (Vaadin 15.0.0 through 17.0.10) allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FL
Flow · Vaadin
2.0.4 before 2.3.3; 3.0.0 before 4.0.3 · source: NVD
VA
Vaadin · Vaadin
14.0.6 before 14.4.4; 15.0.0 before 17.0.11 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-31405
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-31405
Patch
https://github.com/vaadin/flow-components/pull/442
Vendor Advisory
https://vaadin.com/security/cve-2021-31405
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