Vulnerability Details : 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 addresses.
Products affected by CVE-2021-31409
- cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-31409
0.72%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-31409
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
Vaadin Ltd. |
CWE ids for CVE-2021-31409
-
The product does not properly control the allocation and maintenance of a limited resource.Assigned by:
- nvd@nist.gov (Primary)
- security@vaadin.com (Secondary)
References for CVE-2021-31409
-
https://github.com/vaadin/framework/pull/12241
fix: Update regexp pattern of legacy EmailValidator by TatuLund · Pull Request #12241 · vaadin/framework · GitHubPatch;Third Party Advisory
-
https://github.com/vaadin/framework/issues/12240
Vaadin 7 Compatibility Server - EmailValidator catastrophic exponential-time regular expression · Issue #12240 · vaadin/framework · GitHubPatch;Third Party Advisory
-
https://vaadin.com/security/cve-2021-31409
CVE-2021-31409: Regular expression Denial of Service (ReDoS) in EmailValidator class in V7 compatibility module in Vaadin 8Vendor Advisory
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