MISP up to 2.4.79 X.509 Certificate Authentication improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability has been found in MISP up to 2.4.79 and classified as critical. This vulnerability affects an unknown part of the component X.509 Certificate Authentication. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the software does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

When MISP before 2.4.80 is configured with X.509 certificate authentication (CertAuth) in conjunction with a non-MISP external user management ReST API, if an external user provides X.509 certificate authentication and this API returns an empty value, the unauthenticated user can be granted access as an arbitrary user.

The bug was discovered 09/12/2017. The weakness was presented 09/12/2017 (GitHub Repository). The advisory is available at github.com. This vulnerability was named CVE-2017-14337 since 09/12/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 2.4.80 eliminates this vulnerability.




  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Improper authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MISP 2.4.80
Patch: github.com


09/12/2017 🔍
09/12/2017 +0 days 🔍
09/12/2017 +0 days 🔍
09/12/2017 +0 days 🔍
09/13/2017 +1 days 🔍
12/28/2022 +1932 days 🔍


Advisory: be111a470204a974c50682054c9c7d4b94396ed9
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-14337 (🔍)


Created: 09/13/2017 10:58 AM
Updated: 12/28/2022 01:47 PM
Changes: 09/13/2017 10:58 AM (50), 11/15/2019 09:41 AM (8), 12/28/2022 01:47 PM (5)
Complete: 🔍


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