How severe is CVE-2012-1574?

CVE-2012-1574 has a CVSS 2.0 base score of 6.5, rated medium severity.

Is CVE-2012-1574 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-1574?

CVE-2012-1574 primarily affects Apache Hadoop. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-1574?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-1574 published?

CVE-2012-1574 was published on 2012-04-12 and last updated on 2026-06-16.

CVE-2012-1574

CVE-2012-1574 is a medium-severity vulnerability in Apache Hadoop with a CVSS 2.0 base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-310.

Key facts

Severity: Medium (CVSS 2.0 base score 6.5)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Apache Hadoop
Published: 2012-04-12
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2012-1574?: 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.
How severe is CVE-2012-1574?: CVE-2012-1574 has a CVSS 2.0 base score of 6.5, rated medium severity.
Is CVE-2012-1574 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-1574?: CVE-2012-1574 primarily affects Apache Hadoop. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-1574?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-1574 published?: CVE-2012-1574 was published on 2012-04-12 and last updated on 2026-06-16.

References

Affected products (13)

cpe:2.3:a:apache:hadoop:0.20.203.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:0.20.204.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:0.20.205.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:0.23.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:0.23.1:*:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:hadoop:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cloudera:cloudera_cdh:cdh3:0:*:*:*:*:*:*
cpe:2.3:a:cloudera:cloudera_cdh:cdh3:1:*:*:*:*:*:*
cpe:2.3:a:cloudera:cloudera_cdh:cdh3:2:*:*:*:*:*:*
cpe:2.3:a:cloudera:hadoop:0.20-sbin:*:*:*:*:*:*:*
cpe:2.3:a:cloudera:hadoop:0.20.1\+169:*:*:*:*:*:*:*
cpe:2.3:a:cloudera:hadoop:0.20.2\+923:*:*:*:*:*:*:*

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