CVE-2021-27306

Description

An improper access control vulnerability in the JWT plugin in Kong Gateway prior to 2.3.2.0 allows unauthenticated users access to authenticated routes without a valid token JWT.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.47% Top 25%
Vendor Advisory konghq.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://docs.konghq.com/enterprise/changelog/#core-1 vendor advisory
https://medium.com/%40sew.campos/cve-2021-27306-access-an-authenticated-route-on-kong-api-gateway-6ae3d81968a3

Frequently Asked Questions

What is the severity of CVE-2021-27306?
CVE-2021-27306 has been scored as a high severity vulnerability.
How to fix CVE-2021-27306?
To fix CVE-2021-27306, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27306 being actively exploited in the wild?
It is possible that CVE-2021-27306 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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