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CVE-2020-36320

HIGHCVSS 7.5/10EPSS 1.96%

Last modified

CVE-2020-36320 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.96% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
1.96%

77.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
VaadinVaadin>= 7.0.0, < 7.7.22

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2020-36320?
CVE-2020-36320 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.96% probability of exploitation in the next 30 days.
How do I fix CVE-2020-36320?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-36320?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST