Auth bypass in FreeBSD

CVE-2019-15876

In FreeBSD 12.1-STABLE before r356089, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r356090, and 11.3-RELEASE before 11.3-RELEASE-p7, driver specific ioctl command handlers in the oce network driver failed to check whether the caller has sufficient privileges allowing unprivileged users to send passthrough commands to the device firmware.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (17.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-15876: held from 0.003 to 0.003.

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

Affected products

  • FreeBSD — versions 11.3, 12.1
  • FreeBSD — versions 12.1-STABLE before r356089, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r356090, 11.3-RELEASE before 11.3-RELEASE-p7

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-15876?
CVE-2019-15876 is a medium-severity vulnerability in FreeBSD, classified under Missing Authorization. CVSS score: 5.5/10. Published 2020-04-28.
How severe is CVE-2019-15876?
Medium severity. CVSS v3 base score is 5.5 out of 10.