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High 7.5
Apache Log4j 1.x (EOL) allows DoS in Chainsaw and SocketAppender
** UNSUPPORTED WHEN ASSIGNED ** When using the Chainsaw or SocketAppender components with Log4j 1.x on JRE less than 1.7, an attacker that manages to cause a logging entry involving a specially-crafted (ie, deeply nested) hashmap or hashtable (depending on wh…
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High 8.8CVE-2022-23307 EPSS 54%
A deserialization flaw in the Chainsaw component of Log4j 1 can lead to malicious code execution.
CVE-2020-9493 identified a deserialization issue that was present in Apache Chainsaw. Prior to Chainsaw V2.0 Chainsaw was a component of Apache Log4j 1.2.x where the same issue exists.
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High 8.8CVE-2022-23302 EPSS 64%
Deserialization of untrusted data in JMSSink in Apache Log4j 1.x
JMSSink in all versions of Log4j 1.x is vulnerable to deserialization of untrusted data when the attacker has write access to the Log4j configuration or if the configuration references an LDAP service the attacker has access to. The attacker can provide a Top…
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High 7.5
Deserialization of untrusted data in JMSAppender in Apache Log4j 1.2
JMSAppender in Log4j 1.2 is vulnerable to deserialization of untrusted data when the attacker has write access to the Log4j configuration. The attacker can provide TopicBindingName and TopicConnectionFactoryBindingName configurations causing JMSAppender to pe…