What is CVE-2023-0821?

CVE-2023-0821 is a medium-severity vulnerability in Hashicorp Nomad, classified under Improper Handling of Highly Compressed Data (Data Amplification). CVSS score: 6.5/10. Published 2023-02-16.

How severe is CVE-2023-0821?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Hashicorp Nomad

CVE-2023-0821

HashiCorp Nomad and Nomad Enterprise 1.2.15 up to 1.3.8, and 1.4.3 jobs using a maliciously compressed artifact stanza source can cause excessive disk usage. Fixed in 1.2.16, 1.3.9, and 1.4.4.

EPSS: 0.005 (64.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Hashicorp Nomad — versions 0
Hashicorp Nomad Enterprise — versions 0

Weakness classification (CWE)

CWE-409 — Improper Handling of Highly Compressed Data (Data Amplification)

References

discuss.hashicorp.com/t/hcsec-2023-05-nomad-client-vulnerable-to-decompression-…

Frequently asked questions

What is CVE-2023-0821?: CVE-2023-0821 is a medium-severity vulnerability in Hashicorp Nomad, classified under Improper Handling of Highly Compressed Data (Data Amplification). CVSS score: 6.5/10. Published 2023-02-16.
How severe is CVE-2023-0821?: Medium severity. CVSS v3 base score is 6.5 out of 10.