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UK Cyber Defence
VulnerabilityModified

CVE-2021-3688

This flaw could allow an attacker to access unauthorized information or possibly conduct further attacks.

MEDIUM 4.8EPSS 0.56%

Does this matter?

Lower severity and a low EPSS score (0.56%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
4.8 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS
0.56% probability · 45th percentile
CISA KEV
Not listed
Weakness
CWE-200, CWE-22
Affected
redhat/jboss core services httpd
Source
secalert@redhat.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.