CVE-2012-4449

highpriority · track · 39OT risk · elevatedEPSS 0.012 · 68 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.19% (68th) EPSS

CVSS 7.5 · high

Is it mine?

16 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.09criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-327USprimaryCWE-327USCWE-327US

affected products (16)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Apache Software Foundation Hadoop0.20.0 → 0.21fstec_bduRU
Apache Software Foundation Hadoop0.23 → 0.23.4fstec_bduRU
Apache Software Foundation Hadoop1.0 → 1.0.4fstec_bduRU
Apache Software Foundation Hadoop2.0 → 2.0.2fstec_bduRU
apache hadoop≤ 0.23.3nvdUScpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*
apache hadoop= 1.0.0nvdUScpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*
apache hadoop= 1.0.1nvdUScpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*
apache hadoop= 1.0.2nvdUScpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*
apache hadoop= 1.0.3nvdUScpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*
apache hadoop= 2.0.0nvdUScpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*
apache hadoop= 2.0.1nvdUScpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*
apache hadoop= 2.0.2nvdUScpe:2.3:a:apache:hadoop:*:*:*:*:*:*:*:*
Maven org.apache.hadoop:hadoop-client< 0.23.4osvUSpkg:maven/org.apache.hadoop/hadoop-client
Maven org.apache.hadoop:hadoop-client1.0.0 → 1.0.4osvUSpkg:maven/org.apache.hadoop/hadoop-client
Maven org.apache.hadoop:hadoop-client2.0.0 → 2.0.2osvUSpkg:maven/org.apache.hadoop/hadoop-client

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-q46v-cj5v-hvg6Use of a Broken or Risky Cryptographic Algorithm in Apache Hadoop2022-05-17ghsa · osvUS
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.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd osv NVD CVE.org MITRE

published 2017-10-30modified 2026-06-16

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+913 more

references (6)

External citations — patches, advisories, analysis.

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