Cassandra vulnerabilitiesAnd the versions its exploited flaws hit.
Cassandra is made by Apache. We track 11 published vulnerabilities in it, across 235 versions. 1 of them is on the list of flaws known to be exploited, the newest added on 12 May 2023. If you run Cassandra, check your version against the exploited flaws below and patch those first.
The most recent Cassandra flaw added to the known-exploited list is CVE-2016-3427, on 12 May 2023. We keep watching the known-exploited list.
Which versions of Cassandra do the exploited flaws hit?
Each exploited flaw lists the versions it affects, usually as ranges. "2.1.0 to before 2.1.22" means from 2.1.0 up to, but not including, 2.1.22. Find your version, then patch.
- CVE-2016-3427Exploited list, 12 May 2023
Oracle Java SE and JRockit Unspecified Vulnerability
2.1.0 to before 2.1.222.2.0 to before 2.2.183.0.0 to before 3.0.223.11.0 to before 3.11.84.0.0-beta1
Which Cassandra vulnerabilities are being exploited?
1 flaw is on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.
- 9.8Oracle Java SE and JRockit Unspecified Vulnerability
Oracle Java SE and JRockit contains an unspecified vulnerability that allows remote attackers to affect confidentiality, integrity, and availability via vectors related to Java Management Extensions (JMX).
Which Cassandra flaws are most likely to be used?
Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- 58%CVE-2021-44521Critical
When running Apache Cassandra with the following configuration: enable_user_defined_functions: true enable_scripted_user_defined_functions: true enable_user_defined_functions_threads: false it is possible for an...
- 38%CVE-2019-2684Medium
Vulnerability in the Java SE, Java SE Embedded component of Oracle Java SE (subcomponent: RMI).
- 11%CVE-2016-4970High
handler/ssl/OpenSslEngine.java in Netty 4.0.x before 4.0.37.Final and 4.1.x before 4.1.1.Final allows remote attackers to cause a denial of service (infinite loop).
- 6.6%CVE-2015-0225High
The default configuration in Apache Cassandra 1.2.0 through 1.2.19, 2.0.0 through 2.0.13, and 2.1.0 through 2.1.3 binds an unauthenticated JMX/RMI interface to all network interfaces, which allows remote attackers to...
- 3.0%CVE-2020-13946Medium
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...
- 2.3%CVE-2018-8016Critical
The default configuration in Apache Cassandra 3.8 through 3.11.1 binds an unauthenticated JMX/RMI interface to all network interfaces, which allows remote attackers to execute arbitrary Java code via an RMI request.
- 1.9%CVE-2020-17516High
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.
- 1.1%CVE-2025-24860Medium
Incorrect Authorization vulnerability in Apache Cassandra allowing users to access a datacenter or IP/CIDR groups they should not be able to when using CassandraNetworkAuthorizer or CassandraCIDRAuthorizer.
- 0.5%CVE-2025-26467High
Privilege Defined With Unsafe Actions vulnerability in Apache Cassandra.
Running Cassandra? We'll keep checking.
Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.
- Tell us what you runPick your software from a list, or let us work it out from your website.
- We match it to every flawOver 400,000 published flaws, checked against your list.
- Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
- Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.
Free plan, no card needed. Nothing to install.
1 flaw being exploited affects software Acme tracks
Oracle Java SE and JRockit contains an unspecified vulnerability that allows remote attackers to affect confidentiality, integrity, and availability via vectors related to Java Management Extensions (JMX). This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets. It can also be exploited by supplying data to APIs in the specified component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service.
- Matched to
- Cassandra on Acme's software list
- What to do
- Patch first, then check for signs of use
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
We track 11 published vulnerabilities listed under the name Cassandra, across 235 versions. The most recent Cassandra flaw added to the known-exploited list is CVE-2016-3427, on 12 May 2023.
1 is on the list of flaws known to be exploited. The most recently added is CVE-2016-3427.
Each flaw names its own versions, usually as ranges. The newest, CVE-2016-3427, affects 2.1.0 to before 2.1.22, 2.2.0 to before 2.2.18, 3.0.0 to before 3.0.22, 3.11.0 to before 3.11.8 and more. The versions for every exploited flaw are listed on this page.
Create a Precursor Intelligence account and track Cassandra. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.