CVE-2019-17563
tomcat8 - security update
7.5
HIGH
CVSS 3.1
EPSS 4.4%
Description
When using FORM authentication with Apache Tomcat 9.0.0.M1 to 9.0.29, 8.5.0 to 8.5.49 and 7.0.0 to 7.0.98 there was a narrow window where an attacker could perform a session fixation attack. The window was considered too narrow for an exploit to be practical but, erring on the side of caution, this issue has been treated as a security vulnerability.
How to fix CVE-2019-17563
To remediate CVE-2019-17563, upgrade the affected package to a fixed version below.
- —upgrade to 8.0.14-1+deb8u17 or later
- —upgrade to 9.0.31-1 or later
- —upgrade to 7.0.99 or later
Is CVE-2019-17563 being exploited?
Low — EPSS is 4.4%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 8.0.14-1+deb8u17
- from 0, < 9.0.31-1
- from 0, < 7.0.99
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |