9.6 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
9 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
31.7%
Redisson is a Java Redis client that uses the Netty framework. Prior to version 3.22.0, some of the messages received from the Redis server contain Java objects that the client deserializes without further validation. Attackers that manage to trick clients into communicating with a malicious server can include especially crafted objects in its responses that, once deserialized by the client, force it to execute arbitrary code. This can be abused to take control of the machine the client is running in. Version 3.22.0 contains a patch for this issue.
Some post-fix advice is available. Do NOT use Kryo5Codec
as deserialization codec, as it is still vulnerable to arbitrary object deserialization due to the setRegistrationRequired(false)
call. On the contrary, KryoCodec
is safe to use. The fix applied to SerializationCodec
only consists of adding an optional allowlist of class names, even though making this behavior the default is recommended. When instantiating SerializationCodec
please use the SerializationCodec(ClassLoader classLoader, Set<String> allowedClasses)
constructor to restrict the allowed classes for deserialization.
[
{
"vendor": "redisson",
"product": "redisson",
"versions": [
{
"version": "< 3.22.0",
"status": "affected"
}
]
}
]
9.6 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
9 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
31.7%