CVE-2026-27684 PUBLISHED CVSS 6.400000095367432 MEDIUM

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 0.03% · 10.2th percentile

Risk Scores

CVSS v3.1
6.400000095367432
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:L
EPSS Score
0.03%
10.2th percentile

Affected Products

VendorProductVersions
Apache Software FoundationLog4jversions up to 1.2.17
SAP_SESAP NetWeaver (Feedback Notification)701, 702, 731

Timeline

References

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