Apache Cassandra 2.1 lifecycle
Current status
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.
Release
7 Sept 2014
standard support
7 Sept 2014 → 14 Dec 2015
Source: Apache Cassandra Downloads
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
- Apache Cassandra 5.0Upgrade planner →Supported· 3 major versions newer
- Apache Cassandra 4.1Upgrade planner →Supported· 2 major versions newer
- Apache Cassandra 4.0Upgrade planner →Supported· 2 major versions newer
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
2.1.22
Released 28 Aug 2020 · stable
https://github.com/apache/cassandra/releases/tag/cassandra-2.1.22Previous 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.
| Version | Release date | Channel | Source |
|---|---|---|---|
| 2.1.22 | 28 Aug 2020 | stable | Source |
| 2.1.21 | 1 Feb 2019 | stable | Source |
| 2.1.20 | 10 Feb 2018 | stable | Source |
| 2.1.19 | 20 Sept 2017 | stable | Source |
| 2.1.18 | 21 Jun 2017 | stable | Source |
| 2.1.17 | 16 Feb 2017 | stable | Source |
| 2.1.16 | 5 Oct 2016 | stable | Source |
| 2.1.15 | 29 Jun 2016 | stable | Source |
| 2.1.14 | 19 Apr 2016 | stable | Source |
| 2.1.13 | 26 Jan 2016 | stable | Source |
| 2.1.12 | 2 Dec 2015 | stable | Source |
| 2.1.11 | 13 Oct 2015 | stable | Source |
| 2.1.10 | 1 Oct 2015 | stable | Source |
| 2.1.9 | 25 Aug 2015 | stable | Source |
| 2.1.8 | 6 Jul 2015 | stable | Source |
| 2.1.7 | 18 Jun 2015 | stable | Source |
| 2.1.6 | 5 Jun 2015 | stable | Source |
| 2.1.5 | 27 Apr 2015 | stable | Source |
| 2.1.4 | 30 Mar 2015 | stable | Source |
| 2.1.3 | 11 Feb 2015 | stable | Source |
| 2.1.2 | 5 Nov 2014 | stable | Source |
| 2.1.1 | 21 Oct 2014 | stable | Source |
| 2.1.0 | 7 Sept 2014 | stable | Source |
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.
Sources
Where this information comes from.
Lifecycle sources
- Apache Cassandra Downloadsfirst party · high confidence
Official source: https://cassandra.apache.org/_/download.html
Last verified 2 Sept 2026
- Apache Cassandra Java Requirementsfirst party
Official source: https://github.com/apache/cassandra/blob/trunk/NEWS.txt
Verification time not recorded
- CISA Known Exploited Vulnerabilitiesfirst party
Official source: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
Verification time not recorded
- NVD (NIST)first party
Official source: https://nvd.nist.gov
Verification time not recorded
- OSV.devfirst party
Official source: https://osv.dev
Verification time not recorded
Release sources
- Apache Cassandra Downloadsfirst party · high confidence
Official source: https://cassandra.apache.org/_/download.html
Last verified 2 Sept 2026
- Apache Cassandra GitHub Tagsfirst party
Official source: https://github.com/apache/cassandra/tags
Verification time not recorded
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
