CVE-2021-25761

    Dashboard / Vulnerabilities / CVE-2021-25761

    CVE-2021-25761

    Published: 3 Feb 2021Last Modified: 9 Jul 2026

    Summary:

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

    References: https://blog.jetbrains.com/blog/2021/02/03/jetbrains-security-bulletin-q4-2020/, https://blog.jetbrains.com

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -f565c9c03afb3eceb8aa0acc987b6bbeb6f023b1

    Affected versions

    1.4.3
    1.4.2
    1.4.1
    1.4.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-25761 | CVE-DB