How severe is CVE-2018-1000531?

This vulnerability has a severity rating of HIGH with a CVSS score of 7.5 out of 10.

What type of vulnerability is CVE-2018-1000531?

This is classified as CWE-20, which is a common weakness in software security.

CVE-2018-1000531

HIGH Year: 2018

CVSS v3 Score

7.5

High

CVSS v2 Score

5.0

Medium

Weakness Type

CWE-20

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Vulnerability Description

inversoft prime-jwt version prior to commit abb0d479389a2509f939452a6767dc424bb5e6ba contains a CWE-20 vulnerability in JWTDecoder.decode that can result in an incorrect signature validation of a JWT token. This attack can be exploitable when an attacker crafts a JWT token with a valid header using 'none' as algorithm and a body to requests it be validated. This vulnerability was fixed after commit abb0d479389a2509f939452a6767dc424bb5e6ba.

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