CVE-2021-3688

MEDIUM
4.8
CVSS Score
Published: August 26, 2022 at 03:25 PM UTC
Updated: June 17, 2026 at 04:05 AM UTC
1 product affected across 1 vendorJBoss Core Services Httpd

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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.6%

Description

A flaw was found in Red Hat JBoss Core Services HTTP Server in all versions, where it does not properly normalize the path component of a request URL contains dot-dot-semicolon(s). This flaw could allow an attacker to access unauthorized information or possibly conduct further attacks. 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.

Affected range stops below 2.4.37, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 2.4.37.SP10 (unaffected)

Remediation

No guide yet

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

References (2)

CVSS

Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-200CWE-22

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