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CVE-2012-1574

25
FAUCET Score

CVE-2012-1574 describes a security bypass vulnerability in the Kerberos/MapReduce functionality of Apache Hadoop versions 0.20.203.0 through 0.20.205.0, 0.23.x before 0.23.2, and 1.0.x before 1.0.2, including specific Cloudera CDH releases. This flaw allows remote authenticated users to impersonate any cluster user account through unspecified vectors. With a CVSS score of 6.5 (medium), the vulnerability has a network attack vector, low attack complexity, and can lead to partial compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
0.20.203.0CPE matchmatch criteria
cpe:2.3:a:apache:hadoop:0.20.203.0:*:*:*:*:*:*:*
0.20.204.0CPE matchmatch criteria
cpe:2.3:a:apache:hadoop:0.20.204.0:*:*:*:*:*:*:*
0.20.205.0CPE matchmatch criteria
cpe:2.3:a:apache:hadoop:0.20.205.0:*:*:*:*:*:*:*
0.23.0CPE matchmatch criteria
cpe:2.3:a:apache:hadoop:0.23.0:*:*:*:*:*:*:*
0.23.1CPE matchmatch criteria
cpe:2.3:a:apache:hadoop:0.23.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.5MEDIUM

AV:N/AC:L/Au:S/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.83%
Probability of exploitation in next 30 days
EPSS Percentile
91.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0483 is in the 97th percentile among its peer group of 21,951 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.apache.hadoop:hadoop-mainFixed in: 0.23.2
mavenpatch availablevia ghsa
Product: org.apache.hadoop:hadoop-mainFixed in: 1.0.2

Vendor Advisories (1)

mavenGHSA-c6f9-4pmv-m7m6medium

Apache Hadoop allows impersonation of arbitrary cluster user accounts

May 17, 2022

References

archives.neohapsis.com / archives/bugtraq/2012-04/0051.html
ccp.cloudera.com / display/DOC/Cloudera+Security+Bulletin
Vendor Advisory
seclists.org / fulldisclosure/2012/Apr/70
secunia.com / advisories/48775
secunia.com / advisories/48776
cloudera.com / documentation/other/security-bulletins/topics/csb_topic_1.html
securityfocus.com / bid/52939