Strix
26.1K

CVE-2019-7644

UnknownEPSS 1.66%

Last modified

CVE-2019-7644 is a vulnerability of currently unknown severity. Auth0 Auth0-WCF-Service-JWT before 1.0.4 leaks the expected JWT signature in an error message when it cannot successfully validate the JWT signature. If this error message is presented to an attacker, they can forge an arbitrary JWT token that will be accepted by the vulnerable application.. EPSS estimates a 1.66% chance of exploitation in the next 30 days.

Description

Auth0 Auth0-WCF-Service-JWT before 1.0.4 leaks the expected JWT signature in an error message when it cannot successfully validate the JWT signature. If this error message is presented to an attacker, they can forge an arbitrary JWT token that will be accepted by the vulnerable application.

Metrics

EPSS Probability
1.66%

73.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Auth0Auth0-Wcf-Service-Jwt< 1.0.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-7644?
Auth0 Auth0-WCF-Service-JWT before 1.0.4 leaks the expected JWT signature in an error message when it cannot successfully validate the JWT signature. If this error message is presented to an attacker, they can forge an arbitrary JWT token that will be accepted by the vulnerable application.
How severe is CVE-2019-7644?
Severity scoring for CVE-2019-7644 is pending analysis. The EPSS model estimates a 1.66% probability of exploitation in the next 30 days.
How do I fix CVE-2019-7644?
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-2019-7644?

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

Scan your code now

Source: NVD / NIST