CVE-2021-43203

Description

In JetBrains Ktor before 1.6.4, nonce verification during the OAuth2 authentication process is implemented improperly.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.00%
Vendor Advisory jetbrains.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://blog.jetbrains.com/blog/2021/11/08/jetbrains-security-bulletin-q3-2021/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-43203?
CVE-2021-43203 has been scored as a high severity vulnerability.
How to fix CVE-2021-43203?
To fix CVE-2021-43203, 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-2021-43203 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-43203 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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