CVE-2021-43203 — Improper Authentication in Ktor

CWE-287 — Improper Authentication3 documents3 sources
Severity
7.5HIGHNVD
EPSS
0.0%
top 99.94%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Jetbrains Ktor
Timeline
PublishedNov 9
Latest updateMay 24

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

▶NVDjetbrains/ktor< 1.6.4

🔴Vulnerability Details

2
GHSA
GHSA-p34x-8gxh-mj58: In JetBrains Ktor before 1↗2022-05-24
▶
CVEList
CVE-2021-43203: In JetBrains Ktor before 1↗2021-11-09
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CVE-2021-43203 — Improper Authentication in Ktor | cvebase