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Fencer Intel
medium 6.5

CVE-2012-1574 json

Apache Hadoop allows impersonation of arbitrary cluster user accounts

published 2012-04-12 14 y ago modified 2026-06-16 4 mo ago also GHSA-c6f9-4pmv-m7m6 , EUVD-2022-3516

cvss
6.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.8%
EPSS 4.8% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

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.

Patch / fix

  • maven org.apache.hadoop:hadoop-main 0.23.2, 1.0.2

Exploit prediction

4.77% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected packages

ecosystem package affected fixed in
maven org.apache.hadoop:hadoop-main
>=0.23, <0.23.2
>=1.0, <1.0.2
0.23.2
1.0.2

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.