Critical severity · published Jun 23, 2020
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
9.8
CVSS
29.4%
EPSS
No
On KEV
Description
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).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)29.4% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BI
Business Intelligence · Oracle
5.5.0.0.0 · source: NVD
SP
Spark · Apache
through 2.4.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-9480
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-9480
lists.apache.org
https://lists.apache.org/thread.html/r03ad9fe7c07d6039fba9f2152d345274473cb0af3d8a4794a6645f4b%40%3Cuser.spark.apache.org%3E
lists.apache.org
https://lists.apache.org/thread.html/ra0e62a18ad080c4ce6df5e0202a27eaada75222761efc3f7238b5a3b%40%3Ccommits.doris.apache.org%3E
lists.apache.org
https://lists.apache.org/thread.html/rb3956440747e41940d552d377d50b144b60085e7ff727adb0e575d8d%40%3Ccommits.submarine.apache.org%3E
lists.apache.org
https://lists.apache.org/thread.html/ree9e87aae81852330290a478692e36ea6db47a52a694545c7d66e3e2%40%3Cdev.spark.apache.org%3E
Vendor Advisory
https://spark.apache.org/security.html#CVE-2020-9480
Patch
https://www.oracle.com/security-alerts/cpuApr2021.html
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