CVE Database›Document archive›CVE-2019-17563

CVE-2019-17563

tomcat: Session fixation when using FORM authentication

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Severity

Low

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · December 18, 2019

Updated · August 5, 2026

Description

It was found that tomcat's FORM authentication allowed a very small period in which an attacker could possibly force a victim to use a valid user session, or Session Fixation. While practical exploit of this issue is deemed highly improbable, an abundance of caution merits it be considered a flaw. The highest threat from this vulnerability is to system availability, but also threatens data confidentiality and integrity.

Statement

All affected Red Hat products providing the affected component code should update their setups per the product fixes given.

The following Red Hat products are out of support scope for Low Impact flaws, and as such will not issue security fixes: Red Hat Enterprise Linux 5 Red Hat Enterprise Linux 6 Red Hat JBoss BPM Suite 6 Red Hat JBoss BRMS 6

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-384 · Session Fixation