CVE-2021-25642

moderate-risk
Published 2022-08-25

ZKConfigurationStore which is optionally used by CapacityScheduler of Apache Hadoop YARN deserializes data obtained from ZooKeeper without validation. An attacker having access to ZooKeeper can run arbitrary commands as YARN user by exploiting this. Users should upgrade to Apache Hadoop 2.10.2, 3.2.4, 3.3.4 or later (containing YARN-11126) if ZKConfigurationStore is used.

Do I need to act?

~
2.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Apache

References (4)

Mailing List https://lists.apache.org/thread/g6vf2h4wdgzzdgk91mqozhs58wotq150
Third Party Advisory https://security.netapp.com/advisory/ntap-20221201-0003/
Mailing List https://lists.apache.org/thread/g6vf2h4wdgzzdgk91mqozhs58wotq150
Third Party Advisory https://security.netapp.com/advisory/ntap-20221201-0003/
41
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 6/34 · Minimal
Exposure 5/34 · Minimal