CVE-2021-33036

Name: CVE-2021-33036
Creator: NVD / NIST
Published: 2022-06-15T15:15:07.973+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 3.23%

Last modified Jun 17, 2026

CVE-2021-33036 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. In Apache Hadoop 2.2.0 to 2.10.1, 3.0.0-alpha1 to 3.1.4, 3.2.0 to 3.2.2, and 3.3.0 to 3.3.1, a user who can escalate to yarn user can possibly run arbitrary commands as root user. Users should upgrade to Apache Hadoop 2.10.2, 3.2.3, 3.3.2 or higher.. EPSS estimates a 3.23% chance of exploitation in the next 30 days.

Description

In Apache Hadoop 2.2.0 to 2.10.1, 3.0.0-alpha1 to 3.1.4, 3.2.0 to 3.2.2, and 3.3.0 to 3.3.1, a user who can escalate to yarn user can possibly run arbitrary commands as root user. Users should upgrade to Apache Hadoop 2.10.2, 3.2.3, 3.3.2 or higher.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

3.23%

86.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Apache	Hadoop	>= 2.2.0, < 2.10.2	—
Apache	Hadoop	>= 3.0.1, < 3.2.3	—
Apache	Hadoop	>= 3.3.0, < 3.3.2	—
Apache	Hadoop	3.0.0	Alpha1

References

http://www.openwall.com/lists/oss-security/2022/06/15/2Mailing List, Third Party Advisory
https://lists.apache.org/thread/ctr84rmo3xd2tzqcx2b277c8z692vhl5Mailing List, Vendor Advisory
https://security.netapp.com/advisory/ntap-20220722-0003/Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/06/15/2Mailing List, Third Party Advisory
https://lists.apache.org/thread/ctr84rmo3xd2tzqcx2b277c8z692vhl5Mailing List, Vendor Advisory
https://security.netapp.com/advisory/ntap-20220722-0003/Third Party Advisory

Timeline

Published: Jun 15, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-33036?

How severe is CVE-2021-33036?

CVE-2021-33036 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.23% probability of exploitation in the next 30 days.

How do I fix CVE-2021-33036?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-33036?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST