VULNERABILITY INTELLIGENCE

CVE-2021-43203

CVSS score7.5 HIGH
EPSS probability0.86%
CISA KEVNot currently listed
Published2021-11-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

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

Weakness classification

  • nvd@nist.gov: CWE-287

Primary references