Auth bypass in Apache Hadoop
CVE-2020-9492
In Apache Hadoop 3.2.0 to 3.2.1, 3.0.0-alpha1 to 3.1.3, and 2.0.0-alpha to 2.10.0, WebHDFS client might send SPNEGO authorization header to remote URL without proper verification.
Vulnerability class: Broken Access Control
EPSS: 0.044 (90.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apache Hadoop
- Apache Solr — versions 8.6.0, 8.6.2
- Oracle Financial_services_crime_and_compliance_management_studio — versions 8.0.8.2.0, 8.0.8.3.0
- N/a Apache Hadoop — versions Apache Hadoop 3.2.0 to 3.2.1, 3.0.0-alpha1 to 3.1.3, 2.0.0-alpha to 2.10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (Mailing List, x_refsource_MISC, Vendor Advisory)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
- security@apache.org (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2020-9492?
- CVE-2020-9492 is a high-severity vulnerability in Apache Hadoop, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2021-01-26.
- How severe is CVE-2020-9492?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-9492 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.