redhat wildfly-elytron CVE-2021-3642 in Red Hat and Quarkus Products
Published on August 5, 2021

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A flaw was found in Wildfly Elytron in versions prior to 1.10.14.Final, prior to 1.15.5.Final and prior to 1.16.1.Final where ScramServer may be susceptible to Timing Attack if enabled. The highest threat of this vulnerability is confidentiality.

NVD

Weakness Type

What is a Side Channel Attack Vulnerability?

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not. Discrepancies can take many forms, and variations may be detectable in timing, control flow, communications such as replies or requests, or general behavior. These discrepancies can reveal information about the product's operation or internal state to an unauthorized actor. In some cases, discrepancies can be used by attackers to form a side channel.

CVE-2021-3642 has been classified to as a Side Channel Attack vulnerability or weakness.


Products Associated with CVE-2021-3642

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Exploit Probability

EPSS
0.27%
Percentile
49.90%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.