Auth bypass in Apache Spark
CVE-2020-9480
In Apache Spark 2.4.5 and earlier, a standalone resource manager's master may be configured to require authentication (spark.authenticate) via a shared secret. When enabled, however, a specially-crafted RPC to the master can succeed in sta…
Vulnerability class: Broken Authentication
EPSS: 0.268 (97.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apache Spark
- Apache Software Foundation Spark — versions Apache Spark 2.4.5 and earlier
- Oracle Business_intelligence — versions 5.5.0.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (x_refsource_CONFIRM, 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 (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-9480?
- CVE-2020-9480 is a critical-severity vulnerability in Apache Spark, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2020-06-23.
- How severe is CVE-2020-9480?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-9480 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.