CVE-2020-17516
First published: Wed Feb 03 2021(Updated: )
Apache Cassandra versions 2.1.0 to 2.1.22, 2.2.0 to 2.2.19, 3.0.0 to 3.0.23, and 3.11.0 to 3.11.9, when using 'dc' or 'rack' internode_encryption setting, allows both encrypted and unencrypted internode connections. A misconfigured node or a malicious user can use the unencrypted connection despite not being in the same rack or dc, and bypass mutual TLS requirement.
Credit: security@apache.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apache Cassandra | >=2.1.0<=2.1.22 | |
| Apache Cassandra | >=2.2.0<=2.2.19 | |
| Apache Cassandra | >=3.0.0<=3.0.23 | |
| Apache Cassandra | >=3.11.0<=3.11.9 |
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Reference Links
- http://mail-archives.apache.org/mod_mbox/cassandra-user/202102.mbox/%3c6E4340A5-D7BE-4D33-9EC5-3B505A626D8D@apache.org%3e
- https://lists.apache.org/thread.html/r81243a412a37a22211754936a13856af07cc68a93d728c52807486e9@%3Ccommits.cassandra.apache.org%3E
- https://lists.apache.org/thread.html/rcb16f36cafa184dd159e94033f87d0fc274c4752d467f3a09f2ceae4@%3Ccommits.cassandra.apache.org%3E
- https://lists.apache.org/thread.html/rd84bec24907617bdb72f7ec907cd7437a0fd5a8886eb55aa84dd1eb8@%3Ccommits.cassandra.apache.org%3E
- https://security.netapp.com/advisory/ntap-20210521-0002/
- http://mail-archives.apache.org/mod_mbox/cassandra-user/202102.mbox/%3c6E4340A5-D7BE-4D33-9EC5-3B505A626D8D%40apache.org%3e
- https://lists.apache.org/thread.html/rd84bec24907617bdb72f7ec907cd7437a0fd5a8886eb55aa84dd1eb8%40%3Ccommits.cassandra.apache.org%3E
- https://lists.apache.org/thread.html/rcb16f36cafa184dd159e94033f87d0fc274c4752d467f3a09f2ceae4%40%3Ccommits.cassandra.apache.org%3E
- https://lists.apache.org/thread.html/r81243a412a37a22211754936a13856af07cc68a93d728c52807486e9%40%3Ccommits.cassandra.apache.org%3E
Frequently Asked Questions
What is the vulnerability ID for this Apache Cassandra vulnerability?
The vulnerability ID is CVE-2020-17516.
What is the severity of CVE-2020-17516?
The severity of CVE-2020-17516 is high with a score of 7.5.
Which versions of Apache Cassandra are affected by CVE-2020-17516?
Apache Cassandra versions 2.1.0 to 2.1.22, 2.2.0 to 2.2.19, 3.0.0 to 3.0.23, and 3.11.0 to 3.11.9 are affected by CVE-2020-17516.
How can a misconfigured node or a malicious user exploit CVE-2020-17516?
A misconfigured node or a malicious user can use the unencrypted internode connections despite the 'dc' or 'rack' internode_encryption setting.
Where can I find more information about CVE-2020-17516?
You can find more information about CVE-2020-17516 at the following references: [http://mail-archives.apache.org/mod_mbox/cassandra-user/202102.mbox/%3c6E4340A5-D7BE-4D33-9EC5-3B505A626D8D@apache.org%3e](http://mail-archives.apache.org/mod_mbox/cassandra-user/202102.mbox/%3c6E4340A5-D7BE-4D33-9EC5-3B505A626D8D@apache.org%3e), [https://lists.apache.org/thread.html/r81243a412a37a22211754936a13856af07cc68a93d728c52807486e9@%3Ccommits.cassandra.apache.org%3E](https://lists.apache.org/thread.html/r81243a412a37a22211754936a13856af07cc68a93d728c52807486e9@%3Ccommits.cassandra.apache.org%3E), [https://lists.apache.org/thread.html/rcb16f36cafa184dd159e94033f87d0fc274c4752d467f3a09f2ceae4@%3Ccommits.cassandra.apache.org%3E](https://lists.apache.org/thread.html/rcb16f36cafa184dd159e94033f87d0fc274c4752d467f3a09f2ceae4@%3Ccommits.cassandra.apache.org%3E)
- collector/nvd-index
- agent/weakness
- agent/references
- agent/author
- agent/type
- agent/event
- agent/severity
- agent/description
- agent/softwarecombine
- agent/first-publish-date
- agent/last-modified-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/apache
- canonical/apache cassandra
- version/apache cassandra/2.1.0
- version/apache cassandra/2.1.22
- version/apache cassandra/2.2.0
- version/apache cassandra/2.2.19
- version/apache cassandra/3.0.0
- version/apache cassandra/3.0.23
- version/apache cassandra/3.11.0
- version/apache cassandra/3.11.9