Description
In JetBrains Ktor before 1.6.4, nonce verification during the OAuth2 authentication process is implemented improperly.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://blog.jetbrains.com/blog/2021/11/08/jetbrains-security-bulletin-q3-2021/
Scores
CVSS v3
7.5
EPSS
0.0000
EPSS Percentile
0.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Details
CWE
CWE-287
Status
published
Products (1)
jetbrains/ktor
< 1.6.4
Published
Nov 09, 2021
Tracked Since
Feb 18, 2026