CVE-2019-17571
CRITICAL 9.8EPSS 70.0%
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.
- Affected
- Apache Software Foundation · Log4j
- CVSS v3.1 NVD
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P - EPSS
- 69.98% chance of exploitation in the next 30 days, 99th percentile
- Published
- 2019-12-20
- Updated
- 2026-05-28
Proof-of-concept exploits (2)
- Al1ex/CVE-2019-175711★ · 2020-10-13
- shadow-horse/CVE-2019-1757178★ · 2019-12-25
Security advisories
- https://lists.apache.org/thread.html/eea03d504b36e8f870e8321d908e1def1addda16adda04327fe7…
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00022.html
- https://lists.debian.org/debian-lts-announce/2020/01/msg00008.html
- https://security.netapp.com/advisory/ntap-20200110-0001
- https://usn.ubuntu.com/4495-1
- https://www.debian.org/security/2020/dsa-4686
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- advisories/GHSA-2qrg-x229-3v8q