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CVE-2012-4449
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…
Critical9.8EPSS 1.2%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.2% · top 32% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.apache.hadoop:hadoop-clientGHSA-q46v-cj5v-hvg6 (opens in a new tab)
References (2)
- https://www.cloudera.com/documentation/other/security-bulletins/topics/csb_topic_1.html#topic_1_0 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [hadoop-general] 20121012 [ANNOUNCE] Hadoop-1.0.4 release, with Security fix (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-q46v-cj5v-hvg6 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .