CVE-2019-17571
critical-risk
Published 2019-12-20
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.
Do I need to act?
!
37.0% chance of exploitation in next 30 days
EPSS score — higher than 63% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
+
Fix available
Upgrade to: 32f9cd7d5ce73cc0f29c7e66ce5adc0e6640d222
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (20)
References (226)
and 206 more references
70
/ 100
critical-risk
Severity
32/34 · Critical
Exploitability
16/34 · Moderate
Exposure
22/34 · High