CLSA-2021-1633442934

    Dashboard / Vulnerabilities / CLSA-2021-1633442934

    CLSA-2021-1633442934

    Published: 5 Oct 2021Last Modified: 1 Jun 2026
    Upstream:
    CVE-2020-11868

    Summary: Fix of CVE: CVE-2020-11868

    Details: - CVE-2020-11868: incorrect handling of packets from unauthenticated synchronization source with spoofed IP address leads to denial of service.

    References: https://errata.cloudlinux.com/els6/CLSA-2021-1633442934.html

    Affected packages

    Package

    Name: ntp

    Purl: pkg:rpm/tuxcare/ntp?distro=centos-6

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.2.6p5-16.el6.cloudlinux.els

    Affected versions

    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
    CLSA-2021-1633442934 | CVE-DB