vulnerability
Red Hat JBoss EAP: CVE-2020-10687: HTTP Request/Response Smuggling
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:M/Au:N/C:P/I:P/A:N) | Apr 15, 2020 | Sep 19, 2024 | Mar 25, 2026 |
Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
Apr 15, 2020
Added
Sep 19, 2024
Modified
Mar 25, 2026
Description
A flaw was discovered in all versions of Undertow before Undertow 2.2.0.Final, where HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own.. A flaw was discovered in Undertow where HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own.
Solution
red-hat-jboss-eap-upgrade-latest
References
Rapid7 Labs
2026 Global Threat Landscape Report
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