CVE-2021-3597

    Dashboard / Vulnerabilities / CVE-2021-3597

    CVE-2021-3597

    Published: 24 May 2022Last Modified: 8 Jul 2026

    Summary:

    Details: A flaw was found in undertow. The HTTP2SourceChannel fails to write the final frame under some circumstances, resulting in a denial of service. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.35.SP1, prior to 2.2.6.SP1, prior to 2.2.7.SP1, prior to 2.0.36.SP1, prior to 2.2.9.Final and prior to 2.0.39.Final.

    References: https://security.netapp.com/advisory/ntap-20220804-0003/, https://bugzilla.redhat.com/show_bug.cgi?id=1970930

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -7aa46956d0171a36f39521a7b3065a8c4b8d9ad2

    Affected versions

    2.0.35-NA
    2.0.36-NA
    2.0.39-NA
    2.0.34.Final
    2.0.33.Final
    2.0.32.Final
    2.0.31.Final
    2.0.30.Final
    2.0.29.Final
    2.0.28.Final
    2.0.27.Final
    2.0.26.Final
    2.0.25.Final
    2.0.24.Final
    2.0.23.Final
    2.0.22.Final
    2.0.21.Final
    2.0.20.Final
    2.0.17.Final
    2.0.16.Final
    2.0.15.Final
    2.0.14.Final
    2.0.13.Final
    2.0.12.Final
    2.0.11.Final
    2.0.10.Final
    2.0.9.Final
    2.0.8.Final
    2.0.7.Final
    2.0.6.Final
    2.0.5.Final
    2.0.4.Final
    2.0.3.Final
    2.0.2.Final
    2.0.1.Final
    2.0.0.Final
    2.0.0.Beta1
    2.0.0.Alpha1

    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-2021-3597 | CVE-DB