VDB-100397 · CVE-2017-2784 · OpenVAS 867773

ARM mbed TLS up to 1.3.18/2.1.6/2.4.1 X.509 Certificate certificate validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as critical, has been found in ARM mbed TLS up to 1.3.18/2.1.6/2.4.1. This issue affects an unknown part of the component X.509 Certificate Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality, integrity, and availability.

The bug was discovered 04/19/2017. The weakness was disclosed 04/20/2017 (Website). The advisory is shared at tls.mbed.org. The identification of this vulnerability is CVE-2017-2784 since 12/01/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1587.003 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 97969 (Fedora 24 : mbedtls (2017-922652dd9c)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.

Upgrading to version 1.3.19, 2.1.7 or 2.4.2 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (97969).






CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector (Talos): 🔍



VulDB Base Score: 🔍
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NVD Base Score: 🔍


Class: Certificate validation
CWE: CWE-295 / CWE-287
ATT&CK: T1587.003

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 97969
Nessus Name: Fedora 24 : mbedtls (2017-922652dd9c)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for mbedtls FEDORA-2017-9ed1b89530
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: mbed TLS 1.3.19/2.1.7/2.4.2


12/01/2016 🔍
03/24/2017 +113 days 🔍
03/27/2017 +3 days 🔍
04/19/2017 +23 days 🔍
04/20/2017 +1 days 🔍
04/20/2017 +0 days 🔍
04/21/2017 +1 days 🔍
12/01/2022 +2050 days 🔍


Advisory: FEDORA-2017-922652dd9c
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-2784 (🔍)
OSVDB: - CVE-2017-2784 - ARM - mbed TLS - Code Execution Issue


Created: 04/21/2017 10:09 AM
Updated: 12/01/2022 04:01 PM
Changes: 04/21/2017 10:09 AM (69), 09/19/2020 09:15 AM (4), 12/01/2022 03:55 PM (14), 12/01/2022 04:01 PM (1)
Complete: 🔍


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