A flaw was found in Undertow that tripped the client-side invocation timeout with certain calls made over HTTP2. This flaw allows an attacker to carry out denial of service attacks.
Published 2022-08-26 16:15:10
Updated 2022-12-13 02:25:11
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Threat overview for CVE-2021-3859

Top countries where our scanners detected CVE-2021-3859
Top open port discovered on systems with this issue 443
IPs affected by CVE-2021-3859 9
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2021-3859!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2021-3859

Probability of exploitation activity in the next 30 days: 0.45%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 72 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-3859

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
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

CWE ids for CVE-2021-3859

References for CVE-2021-3859

Products affected by CVE-2021-3859

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