What is CVE-2023-42658?

CVE-2023-42658 is a high-severity vulnerability in Chef Inspec, classified under Code Injection. CVSS score: 8.8/10. Published 2023-10-31.

How severe is CVE-2023-42658?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Chef Inspec

CVE-2023-42658

Archive command in Chef InSpec prior to 4.56.58 and 5.22.29 allow local command execution via maliciously crafted profile.

Vulnerability class: RCE (Remote Code Execution)

Published 2023-10-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (18.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Chef Inspec
Progress Software Corporation Chef Inspec — versions 4.0.0, 5.0.0

Weakness classification (CWE)

References

docs.chef.io/release_notes_inspec/ (release-notes, Release Notes, Vendor Advisory)
docs.chef.io/inspec/cli/ (release-notes, Vendor Advisory)
community.progress.com/s/article/Product-Alert-Bulletin-October-2023-CHEF-Inspe… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2023-42658?: CVE-2023-42658 is a high-severity vulnerability in Chef Inspec, classified under Code Injection. CVSS score: 8.8/10. Published 2023-10-31.
How severe is CVE-2023-42658?: High severity. CVSS v3 base score is 8.8 out of 10.