CVE-2019-17571
CRITICALCVSS 9.8/10EPSS 69.06%
Last modified
CVE-2019-17571 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Included in Log4j 1.2 is a SocketServer class that is vulnerable to deserialization of untrusted data which can be exploited to remotely execute arbitrary code when combined with a deserialization gadget when listening to untrusted network traffic for log data. This affects Log4j versions up to 1.2 up to 1.2.17.. EPSS estimates a 69.06% chance of exploitation in the next 30 days.
Description
Included in Log4j 1.2 is a SocketServer class that is vulnerable to deserialization of untrusted data which can be exploited to remotely execute arbitrary code when combined with a deserialization gadget when listening to untrusted network traffic for log data. This affects Log4j versions up to 1.2 up to 1.2.17.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Log4j | <= 1.2.17 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Canonical | Ubuntu Linux | 18.04 |
| Opensuse | Leap | 15.1 |
| Netapp | Oncommand System Manager | >= 3.0, <= 3.1.3 |
| Netapp | Oncommand Workflow Automation | All versions |
| Oracle | Application Testing Suite | 13.3.0.1 |
| Oracle | Communications Network Integrity | >= 7.3.2, <= 7.3.6 |
| Oracle | Endeca Information Discovery Studio | 3.2.0 |
| Oracle | Financial Services Lending And Leasing | >= 14.1.0, <= 14.8.0 |
| Oracle | Financial Services Lending And Leasing | 12.5.0 |
| Oracle | Mysql Enterprise Monitor | <= 8.0.29 |
| Oracle | Primavera Gateway | >= 16.2, <= 16.2.11 |
| Oracle | Primavera Gateway | >= 17.12.0, <= 17.12.7 |
| Oracle | Rapid Planning | 12.1 |
| Oracle | Rapid Planning | 12.2 |
| Oracle | Retail Extract Transform And Load | 19.0 |
| Oracle | Retail Service Backbone | 14.1 |
| Oracle | Retail Service Backbone | 15.0 |
| Oracle | Retail Service Backbone | 16.0 |
| Oracle | Weblogic Server | 10.3.6.0.0 |
| Oracle | Weblogic Server | 12.1.3.0.0 |
| Oracle | Weblogic Server | 12.2.1.3.0 |
| Oracle | Weblogic Server | 12.2.1.4.0 |
| Oracle | Weblogic Server | 14.1.1.0.0 |
| Apache | Bookkeeper | < 4.14.3 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00022.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00008.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200110-0001/Third Party Advisory
- https://usn.ubuntu.com/4495-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4686Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2020.htmlThird Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.htmlThird Party Advisory
- https://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00022.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00008.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200110-0001/Third Party Advisory
- https://usn.ubuntu.com/4495-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4686Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2020.htmlThird Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpujul2020.htmlThird Party Advisory
- https://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-17571?
Included in Log4j 1.2 is a SocketServer class that is vulnerable to deserialization of untrusted data which can be exploited to remotely execute arbitrary code when combined with a deserialization gadget when listening to untrusted network traffic for log data. This affects Log4j versions up to 1.2 up to 1.2.17.
How severe is CVE-2019-17571?
CVE-2019-17571 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 69.06% probability of exploitation in the next 30 days.
How do I fix CVE-2019-17571?
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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