CVE-2020-13946
Man-in-the-middle attack in Apache Cassandra
Description
In Apache Cassandra, all versions prior to 2.1.22, 2.2.18, 3.0.22, 3.11.8 and 4.0-beta2, it is possible for a local attacker without access to the Apache Cassandra process or configuration files to manipulate the RMI registry to perform a man-in-the-middle attack and capture user names and passwords used to access the JMX interface. The attacker can then use these credentials to access the JMX interface and perform unauthorised operations. Users should also be aware of CVE-2019-2684, a JRE vulnerability that enables this issue to be exploited remotely.
How to fix CVE-2020-13946
To remediate CVE-2020-13946, upgrade the affected package to a fixed version below.
- —upgrade to 2.1.22 or later
- —upgrade to 2.1.12 or later
Is CVE-2020-13946 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.1.22, >= 2.2.0, < 2.2.18, >= 3.0.0, < 3.0.22, >= 3.11.0, < 3.11.8
- >= 2.1.0, < 2.1.12
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |