CVE-2012-1574

Apache Hadoop allows impersonation of arbitrary cluster user accounts

6.5 MediumFix available

The Kerberos/MapReduce security functionality in Apache Hadoop 0.20.203.0 through 0.20.205.0, 0.23.x before 0.23.2, and 1.0.x before 1.0.2, as used in Cloudera CDH CDH3u0 through CDH3u2, Cloudera hadoop-0.20-sbin before 0.20.2+923.197, and other products, allows remote authenticated users to impersonate arbitrary cluster user accounts via unspecified vectors.

Exploit likelihood

4.77%Up 2.8 points since Feb 4, 2022

What each source reports

NVD Score used 6.5

Record: CVE-2012-1574
CVSS 2.0: 6.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness: CWE-310
Updated: 2026-11-02

CVE List No score

Record: CVE-2012-1574
Updated: 2026-11-02

EUVDEUVD-2022-3516 No score

Record: EUVD-2022-3516
Updated: 2026-11-03

GitHub AdvisoriesGHSA-c6f9-4pmv-m7m6 No score

Apache Hadoop allows impersonation of arbitrary cluster user accounts

Record: GHSA-c6f9-4pmv-m7m6
Weakness: CWE-287
Updated: 2026-11-02

OSVGHSA-c6f9-4pmv-m7m6 No score

Apache Hadoop allows impersonation of arbitrary cluster user accounts

Record: GHSA-c6f9-4pmv-m7m6
Weakness: CWE-287
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`org.apache.hadoop:hadoop-main` Maven	0.23 up to 0.23.2	0.23.2
`org.apache.hadoop:hadoop-main` Maven	1.0 up to 1.0.2	1.0.2
`org.apache.hadoop:hadoop-main` Maven	0.23 up to 0.23.2, plus listed versions 0.23.1	0.23.2

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2012-1574 is a medium vulnerability (CVSS 6.5) in Apache Hadoop, published April 12, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.77%, the 91st percentile. Fixed in org.apache.hadoop:hadoop-main 0.23.2.

References

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