CVE-2021-27277

    Dashboard / Vulnerabilities / CVE-2021-27277

    CVE-2021-27277

    Published: 22 Apr 2021Last Modified: 10 Mar 2026

    Summary:

    Details: This vulnerability allows local attackers to escalate privileges on affected installations of SolarWinds Orion Virtual Infrastructure Monitor 2020.2. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the OneTimeJobSchedulerEventsService WCF service. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-11955.

    References: , https://documentation.solarwinds.com/en/Success_Center/SAM/Content/Release_Notes/SAM_2020-2-5_release_notes.htm#Fixed, https://www.zerodayinitiative.com/advisories/ZDI-21-373/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    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
    CVE-2021-27277 | CVE-DB