CVE-2018-1000125

Name: CVE-2018-1000125
Creator: NVD / NIST
Published: 2018-03-13T21:29:00.367+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.41%

Last modified Jun 17, 2026

CVE-2018-1000125 is a vulnerability of currently unknown severity. inversoft prime-jwt version prior to version 1.3.0 or prior to commit 0d94dcef0133d699f21d217e922564adbb83a227 contains an input validation vulnerability in JWTDecoder.decode that can result in a JWT that is decoded and thus implicitly validated even if it lacks a valid signature. This attack appear to be exploitable via an attacker crafting a token with a valid header and body and then requests it to be validated. EPSS estimates a 1.41% chance of exploitation in the next 30 days.

Description

inversoft prime-jwt version prior to version 1.3.0 or prior to commit 0d94dcef0133d699f21d217e922564adbb83a227 contains an input validation vulnerability in JWTDecoder.decode that can result in a JWT that is decoded and thus implicitly validated even if it lacks a valid signature. This attack appear to be exploitable via an attacker crafting a token with a valid header and body and then requests it to be validated. This vulnerability appears to have been fixed in 1.3.0 and later or after commit 0d94dcef0133d699f21d217e922564adbb83a227.

Metrics

EPSS Probability

1.41%

69.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Inversoft	Prime-Jwt	< 1.3.0

References

https://github.com/inversoft/prime-jwt/blob/master/CHANGESRelease Notes, Third Party Advisory
https://github.com/inversoft/prime-jwt/issues/2Third Party Advisory
https://github.com/inversoft/prime-jwt/blob/master/CHANGESRelease Notes, Third Party Advisory
https://github.com/inversoft/prime-jwt/issues/2Third Party Advisory

Timeline

Published: Mar 13, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1000125?

How severe is CVE-2018-1000125?

Severity scoring for CVE-2018-1000125 is pending analysis. The EPSS model estimates a 1.41% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1000125?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1000125?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST