CVE-2019-17571

critical Apache
CVSS v3 Base Score
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
33.8%
Exploitation probability in 30 days
Top 3% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: December 20, 2019 (2394 days ago)
Last Modified: May 28, 2026
Vendor: Apache
Source: NVD

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.

CWE

CWE-502

Affected Products

apache log4jdebian debian linuxcanonical ubuntu linuxopensuse leapnetapp oncommand system managernetapp oncommand workflow automationoracle application testing suiteoracle communications network integrityoracle endeca information discovery studiooracle financial services lending and leasing

References

🔗 lists.opensuse.org 🔗 lists.apache.org 🔗 lists.apache.org 🔗 lists.apache.org 🔗 lists.apache.org