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CVE-2020-10687

MEDIUM
4.8
CVSS Score
Published: September 23, 2020 at 12:30 PM UTC
Updated: June 17, 2026 at 02:48 AM UTC
4 products affected across 1 vendorJBoss Enterprise Application PlatformSingle Sign onUndertow

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Severity
MEDIUM4.8
Exploit prediction
EPSS 1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

JBoss Enterprise Application Platform· Red Hatrpm
95%
7.27.37.4
redhat-enterprise-linux (environment)
Single Sign on· Red Hatrpm
95%
All versions
Undertow· Red Hat
95%
v < 2.2.02.2.0.Final
Affected range stops below 2.2.0, so it looks safe — our inference, not a vendor statement
Enterprise Linux· Red Hatrpmdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_MISCIssue TrackingVendor Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1785049
Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/r6603513ea8afbf6857fd77ca5888ec8385d0af493baa4250e28c351c%40%3Cdev.cxf.apache.org%3E
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20220210-0015/

CVSS

4.8MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-444

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