ARM mbed TLS before 1.3.21 and 2.x before 2.1.9, if optional authentication is…
Priority LOW 38CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
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.
Why it matters now
EPSS 0.01492 74th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 30
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:arm:mbed_tls:1.3.19:*:*:*:*:*:*:* | 1.3.19 | Vulnerable | Arm |
| cpe:2.3:a:arm:mbed_tls:1.3.21:*:*:*:*:*:*:* | 1.3.21 | Vulnerable | Arm |
| cpe:2.3:a:arm:mbed_tls:2.1.7:*:*:*:*:*:*:* | 2.1.7 | Vulnerable | Arm |
| cpe:2.3:a:arm:mbed_tls:2.1.9:*:*:*:*:*:*:* | 2.1.9 | Vulnerable | Arm |
| cpe:2.3:a:arm:mbed_tls:2.4.2:*:*:*:*:*:*:* | 2.4.2 | Vulnerable | Arm |
| cpe:2.3:a:arm:mbed_tls:2.6.2:*:*:*:*:*:*:* | 2.6.2 | Vulnerable | Arm |
| cpe:2.3:a:trustedfirmware:mbed_tls:1.3.10:*:*:*:*:*:*:* | 1.3.10 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:1.3.11:*:*:*:*:*:*:* | 1.3.11 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:1.3.12:*:*:*:*:*:*:* | 1.3.12 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:1.3.13:*:*:*:*:*:*:* | 1.3.13 | Vulnerable | OP-TEE |
- cpe:2.3:a:arm:mbed_tls:1.3.19:*:*:*:*:*:*:* Versions 1.3.19 Vulnerable ·Arm
- cpe:2.3:a:arm:mbed_tls:1.3.21:*:*:*:*:*:*:* Versions 1.3.21 Vulnerable ·Arm
- cpe:2.3:a:arm:mbed_tls:2.1.7:*:*:*:*:*:*:* Versions 2.1.7 Vulnerable ·Arm
- cpe:2.3:a:arm:mbed_tls:2.1.9:*:*:*:*:*:*:* Versions 2.1.9 Vulnerable ·Arm
- cpe:2.3:a:arm:mbed_tls:2.4.2:*:*:*:*:*:*:* Versions 2.4.2 Vulnerable ·Arm
- cpe:2.3:a:arm:mbed_tls:2.6.2:*:*:*:*:*:*:* Versions 2.6.2 Vulnerable ·Arm
- cpe:2.3:a:trustedfirmware:mbed_tls:1.3.10:*:*:*:*:*:*:* Versions 1.3.10 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:1.3.11:*:*:*:*:*:*:* Versions 1.3.11 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:1.3.12:*:*:*:*:*:*:* Versions 1.3.12 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:1.3.13:*:*:*:*:*:*:* Versions 1.3.13 Vulnerable ·OP-TEE
Show 20 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:trustedfirmware:mbed_tls:1.3.14:*:*:*:*:*:*:* | 1.3.14 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:1.3.15:*:*:*:*:*:*:* | 1.3.15 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:1.3.16:*:*:*:*:*:*:* | 1.3.16 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:1.3.17:*:*:*:*:*:*:* | 1.3.17 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:1.3.18:*:*:*:*:*:*:* | 1.3.18 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:1.3.20:*:*:*:*:*:*:* | 1.3.20 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:2.0.0:*:*:*:*:*:*:* | 2.0.0 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:2.1.0:*:*:*:*:*:*:* | 2.1.0 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:2.1.1:*:*:*:*:*:*:* | 2.1.1 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:2.1.2:*:*:*:*:*:*:* | 2.1.2 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:2.1.3:*:*:*:*:*:*:* | 2.1.3 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:2.1.4:*:*:*:*:*:*:* | 2.1.4 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:2.1.5:*:*:*:*:*:*:* | 2.1.5 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:2.1.6:*:*:*:*:*:*:* | 2.1.6 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:2.1.8:*:*:*:*:*:*:* | 2.1.8 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:2.2.0:*:*:*:*:*:*:* | 2.2.0 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:2.2.1:*:*:*:*:*:*:* | 2.2.1 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:2.3.0:*:*:*:*:*:*:* | 2.3.0 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:2.4.0:*:*:*:*:*:*:* | 2.4.0 | Vulnerable | OP-TEE |
| cpe:2.3:a:trustedfirmware:mbed_tls:2.5.1:*:*:*:*:*:*:* | 2.5.1 | Vulnerable | OP-TEE |
- cpe:2.3:a:trustedfirmware:mbed_tls:1.3.14:*:*:*:*:*:*:* Versions 1.3.14 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:1.3.15:*:*:*:*:*:*:* Versions 1.3.15 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:1.3.16:*:*:*:*:*:*:* Versions 1.3.16 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:1.3.17:*:*:*:*:*:*:* Versions 1.3.17 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:1.3.18:*:*:*:*:*:*:* Versions 1.3.18 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:1.3.20:*:*:*:*:*:*:* Versions 1.3.20 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:2.1.1:*:*:*:*:*:*:* Versions 2.1.1 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:2.1.2:*:*:*:*:*:*:* Versions 2.1.2 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:2.1.3:*:*:*:*:*:*:* Versions 2.1.3 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:2.1.4:*:*:*:*:*:*:* Versions 2.1.4 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:2.1.5:*:*:*:*:*:*:* Versions 2.1.5 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:2.1.6:*:*:*:*:*:*:* Versions 2.1.6 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:2.1.8:*:*:*:*:*:*:* Versions 2.1.8 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:2.2.0:*:*:*:*:*:*:* Versions 2.2.0 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:2.2.1:*:*:*:*:*:*:* Versions 2.2.1 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:2.3.0:*:*:*:*:*:*:* Versions 2.3.0 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:2.4.0:*:*:*:*:*:*:* Versions 2.4.0 Vulnerable ·OP-TEE
- cpe:2.3:a:trustedfirmware:mbed_tls:2.5.1:*:*:*:*:*:*:* Versions 2.5.1 Vulnerable ·OP-TEE
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2017-14032
- 2026-10-03 Alias added: GHSA-6v28-r64j-r4w6
References
Patch 3
Sources
- CVE-2017-14032 · CVE Program
- CVE-2017-14032 · NVD
- FIRST EPSS
- GHSA-6v28-r64j-r4w6 · GitHub Advisory Database · CC BY 4.0
- CVE-2017-14032 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences