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,
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.
- Published
- Apr 12, 2012
- Updated
- Jun 16, 2026
- EPSS
- 4.8% · 92th percentile
- CWE
- CWE-310
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Report tools
Action score
27
Monitor
Low priority for now.
- CVSS
- 26 / 40 · 6.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 4.8%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| apache | hadoop | cpe:2.3:a:apache:hadoop |
| cloudera | cloudera cdh | cpe:2.3:a:cloudera:cloudera_cdh |
| cloudera | hadoop | cpe:2.3:a:cloudera:hadoop |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- apache hadoop0.20.203.0
- apache hadoop0.20.204.0
- apache hadoop0.20.205.0
- apache hadoop0.23.0
- apache hadoop0.23.1
- apache hadoop1.0.0
- apache hadoop1.0.1
- cloudera cloudera cdhcdh3
- cloudera hadoop0.20-sbin
- cloudera hadoop0.20.1+169
- cloudera hadoop0.20.2+923
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Maven | org.apache.hadoop:hadoop-main | from 0.23 · before 0.23.2 | 0.23.2 |
| Maven | org.apache.hadoop:hadoop-main | from 1.0 · before 1.0.2 | 1.0.2 |
Same product
apache: all recordsOther highest-scoring records for the same primary product.
- CVE-2022-25168Command injection in org.apache.hadoop.fs.FileUtil.unTarUsingTar40Plan
- CVE-2021-37404Heap buffer overflow in libhdfs native library40Plan
- CVE-2022-26612Arbitrary file write in FileUtil#unpackEntries on Windows40Plan
- CVE-2017-15718The YARN NodeManager in Apache Hadoop 2.7.3 and 2.7.4 can leak the password for credential store provider used by the NodeManager to YARN Ap40Plan
- CVE-2016-3086The YARN NodeManager in Apache Hadoop 2.6.x before 2.6.5 and 2.7.x before 2.7.3 can leak the password for credential store provider used by 40Plan
- CVE-2012-4449Apache Hadoop before 0.23.4, 1.x before 1.0.4, and 2.x before 2.0.2 generate token passwords using a 20-bit secret when Kerberos security fe39Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| Maven:org.apache.hadoop:hadoop-main | 0.23.2 | Package registry (OSV) |
| Maven:org.apache.hadoop:hadoop-main | 1.0.2 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- P · data can be read
- Integrity
- P · data or configuration can be modified
- Availability
- P · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- P
- Integrity impact
- P
- Availability impact
- P
Weakness class (CWE)
CWE-310 · Cryptographic IssuesCVSS vector
AV:N/AC:L/Au:S/C:P/I:P/A:P
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
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References
- archives.neohapsis.com/archives/bugtraq/2012-04/0051.html
- seclists.org/fulldisclosure/2012/Apr/70
- secunia.com/advisories/48775
- secunia.com/advisories/48776
- www.securityfocus.com/bid/52939
- ccp.cloudera.com/display/DOC/Cloudera+Security+Bulletin
- www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html
Vendor advisories and official records. Exploit/PoC links are deliberately left out.