Auth bypass in Arm Mbed_tls

CVE-2017-14032

ARM mbed TLS before 1.3.21 and 2.x before 2.1.9, if optional authentication is configured, allows remote attackers to bypass peer authentication via an X.509 certificate chain with many intermediates. NOTE: although mbed TLS was formerly k…

Vulnerability class: Broken Authentication

EPSS: 0.003 (51.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
  • cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2017-14032?
CVE-2017-14032 is a high-severity vulnerability in Arm Mbed_tls, classified under Improper Authentication. CVSS score: 8.1/10. Published 2017-08-30.
How severe is CVE-2017-14032?
High severity. CVSS v3 base score is 8.1 out of 10.