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CVE-2021-20293

MEDIUM
6.1
CVSS Score
Published: June 10, 2021 at 11:09 AM UTC
Updated: June 17, 2026 at 03:33 AM UTC
2 products affected across 2 vendorsOnCommand InsightRESTEasy

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.9%

Description

A reflected Cross-Site Scripting (XSS) flaw was found in RESTEasy in all versions of RESTEasy up to 4.6.0.Final, where it did not properly handle URL encoding when calling @javax.ws.rs.PathParam without any @Produces MediaType. This flaw allows an attacker to launch a reflected XSS attack. The highest threat from this vulnerability is to data confidentiality and integrity.

Affected

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

OnCommand Insight· NetAppdrupal
95%
All versions
RESTEasy· Red Hat
95%
v ≤ 4.6.0v ≤ 4.6.0.Final

Remediation

No guide yet

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

Patch and advisory references

References (2)

x_refsource_MISCIssue TrackingVendor Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1942819
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20210727-0005/

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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