Apache Hadoop before 0.23.4, 1.x before 1.0.4, and 2.x before 2.0.2 generate token…
Priority MEDIUM 44CWE-327Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-327.
Summary
Apache 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 features are enabled, which makes it easier for context-dependent attackers to crack secret keys via a brute-force attack.
Why it matters now
EPSS 0.01191 68th percentileScored 2026-11-07
Fix Fixed org.apache.hadoop:hadoop-client (Maven): 0.23.4, 1.0.4, 2.0.2
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | org.apache.hadoop:hadoop-client (Maven) | before 0.23.4 | 0.23.4 | Patch available | GHSA-q46v-cj5v-hvg6 |
| — | org.apache.hadoop:hadoop-client (Maven) | 1.0.0 to before 1.0.4 | 1.0.4 | Patch available | GHSA-q46v-cj5v-hvg6 |
| — | org.apache.hadoop:hadoop-client (Maven) | 2.0.0 to before 2.0.2 | 2.0.2 | Patch available | GHSA-q46v-cj5v-hvg6 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- org.apache.hadoop:hadoop-client (Maven) Vendor— Affected before 0.23.4 Fixed in 0.23.4 Patch available GHSA-q46v-cj5v-hvg6
- org.apache.hadoop:hadoop-client (Maven) Vendor— Affected 1.0.0 to before 1.0.4 Fixed in 1.0.4 Patch available GHSA-q46v-cj5v-hvg6
- org.apache.hadoop:hadoop-client (Maven) Vendor— Affected 2.0.0 to before 2.0.2 Fixed in 2.0.2 Patch available GHSA-q46v-cj5v-hvg6
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:* | up to 0.23.3 | Vulnerable | Apache |
| cpe:2.3:a:apache:hadoop:1.0.0:*:*:*:*:*:*:* | 1.0.0 | Vulnerable | Apache |
| cpe:2.3:a:apache:hadoop:1.0.1:*:*:*:*:*:*:* | 1.0.1 | Vulnerable | Apache |
| cpe:2.3:a:apache:hadoop:1.0.2:*:*:*:*:*:*:* | 1.0.2 | Vulnerable | Apache |
| cpe:2.3:a:apache:hadoop:1.0.3:*:*:*:*:*:*:* | 1.0.3 | Vulnerable | Apache |
| cpe:2.3:a:apache:hadoop:2.0.0:alpha:*:*:*:*:*:* | 2.0.0 alpha | Vulnerable | Apache |
| cpe:2.3:a:apache:hadoop:2.0.1:alpha:*:*:*:*:*:* | 2.0.1 alpha | Vulnerable | Apache |
| cpe:2.3:a:apache:hadoop:2.0.2:alpha:*:*:*:*:*:* | 2.0.2 alpha | Vulnerable | Apache |
- cpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:* Versions up to 0.23.3 Vulnerable ·Apache
- cpe:2.3:a:apache:hadoop:1.0.0:*:*:*:*:*:*:* Versions 1.0.0 Vulnerable ·Apache
- cpe:2.3:a:apache:hadoop:1.0.1:*:*:*:*:*:*:* Versions 1.0.1 Vulnerable ·Apache
- cpe:2.3:a:apache:hadoop:1.0.2:*:*:*:*:*:*:* Versions 1.0.2 Vulnerable ·Apache
- cpe:2.3:a:apache:hadoop:1.0.3:*:*:*:*:*:*:* Versions 1.0.3 Vulnerable ·Apache
- cpe:2.3:a:apache:hadoop:2.0.0:alpha:*:*:*:*:*:* Versions 2.0.0 alpha Vulnerable ·Apache
- cpe:2.3:a:apache:hadoop:2.0.1:alpha:*:*:*:*:*:* Versions 2.0.1 alpha Vulnerable ·Apache
- cpe:2.3:a:apache:hadoop:2.0.2:alpha:*:*:*:*:*:* Versions 2.0.2 alpha Vulnerable ·Apache
Remediation
- Fix · GHSA-q46v-cj5v-hvg6 org.apache.hadoop:hadoop-client (Maven) Fixed in 0.23.4 Advisory →
- Fix · GHSA-q46v-cj5v-hvg6 org.apache.hadoop:hadoop-client (Maven) Fixed in 1.0.4 Advisory →
- Fix · GHSA-q46v-cj5v-hvg6 org.apache.hadoop:hadoop-client (Maven) Fixed in 2.0.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2012-4449
- 2026-10-03 Alias added: GHSA-q46v-cj5v-hvg6
References
Advisory 2
More Apache Hadoop vulnerabilities
- TI-2019-12818 Connect2id Nimbus JOSE+JWT before v7.9 can throw various uncaught exceptions while… CVSS 3.1CRITICAL 9.8
- TI-2022-09898 Arbitrary file write in FileUtil#unpackEntries on Windows CVSS 3.1CRITICAL 9.8
- TI-2022-08881 Command injection in org.apache.hadoop.fs.FileUtil.unTarUsingTar CVSS 3.1CRITICAL 9.8
- TI-2021-15353 Heap buffer overflow in libhdfs native library CVSS 3.1CRITICAL 9.8
- TI-2018-05786 Path traversal in Apache Hadoop CVSS 3.0HIGH 8.8
- TI-2017-11489 Information disclosure in Apache Hadoop CVSS 3.0CRITICAL 9.8
Sources
- CVE-2012-4449 · CVE Program
- CVE-2012-4449 · NVD
- FIRST EPSS
- GHSA-q46v-cj5v-hvg6 · GitHub Advisory Database · CC BY 4.0
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