Apache Cassandra 2.1 lifecycle

Current status

end of lifehigh

Apache Cassandra 2.1 reached end of life on 14 Dec 2015. Security and bug fixes are no longer provided by the project according to published lifecycle data.

This line is end of life.

Plan your upgrade →

Security: 2 tracked advisories affecting this line. Details below — lifecycle and vulnerability status are separate.

Official lifecycle source: Apache Cassandra Downloads

Support phase
end of life
End of life
14 Dec 2015
Latest release
2.1.22
Released
28 Aug 2020

At a glance

Version line
2.1
Initial release
7 Sept 2014
Lifecycle phase
end of life
Latest stable
2.1.22
Latest release date
28 Aug 2020
EOL
14 Dec 2015
Risk
high
Releases tracked
23

Lifecycle timeline

Phases from published LifecyclePeriod records. Missing phases are not inferred.

  1. Release

    7 Sept 2014

  2. standard support

    7 Sept 2014 → 14 Dec 2015

    Source: Apache Cassandra Downloads

  3. end of lifecurrent

    14 Dec 2015 → —

    Source: Apache Cassandra Downloads

Apache Cassandra 2.1 reached end of life on 14 Dec 2015. Security and bug fixes are no longer provided by the project according to published lifecycle data.

Upgrade options

Newer supported Apache Cassandra version lines from CompatHub lifecycle data. Compatibility and security context use existing evidence only.

You are on Apache Cassandra 2.1

End of lifeEOL 14 December 2015

Supported upgrade options

Open full upgrade planner for Apache Cassandra 2.1

Security

Advisories affecting Apache Cassandra 2.1 (OSV.dev evidence). Known exploited status, due dates, and ransomware use from CISA KEV when matched.

Known vulnerabilities
2
Known exploited
0
Highest CVSS
  • CVE-2025-23015GHSA-wmcc-9vch-jmx4

    Apache Cassandra: User with MODIFY permission on ALL KEYSPACES can escalate privileges to superuser via unsafe actions

    Affected:
    <3.0.31
    Fixed in:
    3.0.31
    Source:
    OSV source · Advisory
  • CVE-2021-44521GHSA-8ffc-79xg-29w8

    Apache Cassandra vulnerable to Code Injection due to unsafe configuration

    Affected:
    <3.0.26
    Fixed in:
    3.0.26
    Source:
    OSV source · Advisory

Latest release

Previous releases

  • 2.1.21

    1 Feb 2019

  • 2.1.20

    10 Feb 2018

  • 2.1.19

    20 Sept 2017

Release history

23 concrete releases tracked for this line.

VersionRelease dateChannelSource
2.1.2228 Aug 2020stableSource
2.1.211 Feb 2019stableSource
2.1.2010 Feb 2018stableSource
2.1.1920 Sept 2017stableSource
2.1.1821 Jun 2017stableSource
2.1.1716 Feb 2017stableSource
2.1.165 Oct 2016stableSource
2.1.1529 Jun 2016stableSource
2.1.1419 Apr 2016stableSource
2.1.1326 Jan 2016stableSource
2.1.122 Dec 2015stableSource
2.1.1113 Oct 2015stableSource
2.1.101 Oct 2015stableSource
2.1.925 Aug 2015stableSource
2.1.86 Jul 2015stableSource
2.1.718 Jun 2015stableSource
2.1.65 Jun 2015stableSource
2.1.527 Apr 2015stableSource
2.1.430 Mar 2015stableSource
2.1.311 Feb 2015stableSource
2.1.25 Nov 2014stableSource
2.1.121 Oct 2014stableSource
2.1.07 Sept 2014stableSource

Release activity

Total releases
23
Last 30 days
0
Last 90 days
0
Avg. interval
~99 days
Most recent
28 Aug 2020

Should I use this version?

Not recommended for new deployments

Upgrade to a currently supported release line. Recommended target: Apache Cassandra 5.0.

Version comparison

Compact comparison against the nearest relevant release lines.

2.15.0
Statusend of lifestandard support
Latest release2.1.225.0.9
EOLDec 2015Not published
Riskhighlow

Sources

Where this information comes from.

Lifecycle sources

Release sources

Data coverage

Last checked = last successful upstream check. Latest source update = when upstream content last changed.

Releases tracked
23
Lifecycle periods
2
EOL
Known
Provenance records
3
Data last checked
2 Sept 2026
Latest source update
2 Sept 2026

Other Apache Cassandra versions