CVE-2017-14032
Summary
| CVE | CVE-2017-14032 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2017-08-30 20:29:00 UTC |
| Updated | 2026-06-05 19:38:32 UTC |
| Description | 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 known as PolarSSL, the releases shipped with the PolarSSL name are not affected. |
Risk And Classification
Primary CVSS: v3.0 8.1 HIGH from [email protected]
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.002740000 probability, percentile 0.511190000 (date 2026-06-11)
Problem Types: CWE-287 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 8.1 | HIGH | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
HighPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
PartialIntegrity
PartialAvailability
PartialAV:N/AC:M/Au:N/C:P/I:P/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Arm | Mbed Tls | 1.3.19 | All | All | All |
| Application | Arm | Mbed Tls | 1.3.21 | All | All | All |
| Application | Arm | Mbed Tls | 2.1.7 | All | All | All |
| Application | Arm | Mbed Tls | 2.1.9 | All | All | All |
| Application | Arm | Mbed Tls | 2.4.2 | All | All | All |
| Application | Arm | Mbed Tls | 2.6.2 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 1.3.10 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 1.3.11 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 1.3.12 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 1.3.13 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 1.3.14 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 1.3.15 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 1.3.16 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 1.3.17 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 1.3.18 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 1.3.20 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 2.0.0 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 2.1.0 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 2.1.1 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 2.1.2 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 2.1.3 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 2.1.4 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 2.1.5 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 2.1.6 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 2.1.8 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 2.2.0 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 2.2.1 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 2.3.0 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 2.4.0 | All | All | All |
| Application | Trustedfirmware | Mbed Tls | 2.5.1 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Improve behaviour on fatal errors · ARMmbed/mbedtls@d15795a · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Issue Tracking, Patch, Third Party Advisory |
| Debian -- Security Information -- DSA-3967-1 mbedtls | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | |
| #873557 - mbedtls: CVE-2017-14032: authentication bypass - Debian Bug report logs | af854a3a-2127-422b-91ae-364da2661108 | bugs.debian.org | Issue Tracking, Patch, Third Party Advisory |
| Only return VERIFY_FAILED from a single point · ARMmbed/mbedtls@31458a1 · GitHub | af854a3a-2127-422b-91ae-364da2661108 | github.com | Issue Tracking, Patch, Third Party Advisory |
| mbed TLS Security Advisory 2017-02 - Tech Updates | af854a3a-2127-422b-91ae-364da2661108 | tls.mbed.org | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.