What is CVE-2020-14156?

CVE-2020-14156 is a high-severity vulnerability in Openbmc-Project Openbmc, classified under Incorrect Default Permissions. CVSS score: 8.8/10. Published 2020-06-15.

How severe is CVE-2020-14156?

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

Vulnerability in Openbmc-Project Openbmc

CVE-2020-14156

user_channel/passwd_mgr.cpp in OpenBMC phosphor-host-ipmid before 2020-04-03 does not ensure that /etc/ipmi-pass has strong file permissions.

Published 2020-06-15 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.018 (78.4th percentile), scored 2026-10-23.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Openbmc-Project Openbmc

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

github.com/openbmc/phosphor-host-ipmid/commit/b265455a2518ece7c004b43c144199ec9… (Patch, Third Party Advisory)
github.com/openbmc/openbmc/issues/3670 (Third Party Advisory)
lists.ozlabs.org/pipermail/openbmc/2020-June/022020.html (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2020-14156?: CVE-2020-14156 is a high-severity vulnerability in Openbmc-Project Openbmc, classified under Incorrect Default Permissions. CVSS score: 8.8/10. Published 2020-06-15.
How severe is CVE-2020-14156?: High severity. CVSS v3 base score is 8.8 out of 10.