USN-4842-1

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    USN-4842-1

    Published: 15 Mar 2021Last Modified: 25 Jun 2026

    Summary: ntopng vulnerability

    Details: It was discovered that ntopng did not properly seed its random number generator, leading to predictable session tokens. An attacker could use this vulnerability to hijack a user's session.

    References: https://ubuntu.com/security/notices/USN-4842-1, https://ubuntu.com/security/CVE-2018-12520

    Affected packages

    Package

    Name: ntopng

    Purl: pkg:deb/ubuntu/ntopng?arch=source&distro=esm-apps%2Fxenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.2+dfsg1-1ubuntu0.1~esm2

    Affected versions

    1.2.1+dfsg1-2ubuntu1

    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