CVE-2021-25761

MEDIUM

JetBrains Ktor < 1.5.0 - Inadequate Encryption Strength in SessionStorage Key

Title source: llm

In JetBrains Ktor before 1.5.0, a birthday attack on SessionStorage key was possible.

Core 2

Core References

Product x_refsource_misc

Vendor Advisory x_refsource_misc

CVSS v3 5.3

EPSS 0.0054

EPSS Percentile 41.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CWE

CWE-326

Status published

Products (1)

jetbrains/ktor < 1.5.0

Published Feb 03, 2021

Tracked Since Feb 18, 2026