Regular Expression Denial of Service (ReDoS) The advisory has been revoked - it doesn't affect any version of package com.vaadin:vaadin-compatibility-server (opens in a new tab)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published1 Oct 2020
- disclosed12 Sept 2020
- creditjtomaszk
Introduced: 12 Sep 2020
CVE-2021-31409 (opens in a new tab)Amendment
This was deemed not a vulnerability.
Overview
Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) via the EmailValidator class in V7 compatibility module.
It allows attackers to cause uncontrolled resource consumption by submitting malicious email addresses.