What is CVE-2021-37404?

CVE-2021-37404 is a critical-severity vulnerability in Apache Hadoop, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-06-13.

How severe is CVE-2021-37404?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2021-37404 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Apache Hadoop

CVE-2021-37404

There is a potential heap buffer overflow in Apache Hadoop libhdfs native code. Opening a file path provided by user without validation may result in a denial of service or arbitrary code execution. Users should upgrade to Apache Hadoop 2…

Vulnerability class: Buffer Overflow

EPSS: 0.029 (84.9th 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 Hadoop
Apache Software Foundation Hadoop — versions 2.9.0 to 2.10.1, 3.0.0 to 3.1.4, 3.2.0 to 3.2.2

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

security@apache.org (Mailing List, x_refsource_MISC)
security@apache.org (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2021-37404?: CVE-2021-37404 is a critical-severity vulnerability in Apache Hadoop, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-06-13.
How severe is CVE-2021-37404?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-37404 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.