CVE-2019-17563
HIGHCVSS 7.5/10EPSS 10.69%
Last modified
CVE-2019-17563 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 10.69% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Tomcat | >= 7.0.0, <= 7.0.98 |
| Apache | Tomcat | >= 8.5.0, <= 8.5.49 |
| Apache | Tomcat | >= 9.0.0, <= 9.0.29 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Opensuse | Leap | 15.1 |
| Canonical | Ubuntu Linux | 16.04 |
| Oracle | Agile Engineering Data Management | 6.2.1.0 |
| Oracle | Hyperion Infrastructure Technology | 11.1.2.4 |
| Oracle | Instantis Enterprisetrack | >= 17.1, <= 17.3 |
| Oracle | Micros Relate Crm Software | 11.4 |
| Oracle | Mysql Enterprise Monitor | <= 4.0.11.5331 |
| Oracle | Mysql Enterprise Monitor | >= 8.0.0, <= 8.0.18.1217 |
| Oracle | Retail Order Broker | 15.0 |
| Oracle | Transportation Management | 6.3.7 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00013.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00024.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/05/msg00026.htmlMailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Dec/43Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202003-43Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200107-0001/Third Party Advisory
- https://usn.ubuntu.com/4251-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4596Third Party Advisory
- https://www.debian.org/security/2020/dsa-4680Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2020.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.htmlPatch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00013.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00024.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/05/msg00026.htmlMailing List, Third Party Advisory
- https://seclists.org/bugtraq/2019/Dec/43Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202003-43Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200107-0001/Third Party Advisory
- https://usn.ubuntu.com/4251-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4596Third Party Advisory
- https://www.debian.org/security/2020/dsa-4680Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2020.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-17563?
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 severe is CVE-2019-17563?
CVE-2019-17563 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 10.69% probability of exploitation in the next 30 days.
How do I fix CVE-2019-17563?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-17563?
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