CVSS v3
9.8
CRITICAL
EPSS Score
93.3%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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 starting an application's resources on the Spark cluster, even without the shared key. This can be leveraged to execute shell commands on the host machine. This does not affect Spark clusters using other resource managers (YARN, Mesos, etc).
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 starting an application's resources on the Spark cluster, even without the shared key. This can be leveraged to execute shell commands on the host machine. This does not affect Spark clusters using other resource managers (YARN, Mesos, etc).
Active exploitation of CVE-2020-9480 has not been confirmed. The EPSS score is 93.3%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2020-9480 has a CVSS v3 base score of 9.8 (CRITICAL severity).
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Ranked by exploit probability (EPSS).