CVE-2021-27277 : Vulnerability Insights and Analysis
Learn about CVE-2021-27277 affecting SolarWinds Orion Virtual Infrastructure Monitor 2020.2. Understand the impact, technical details, and mitigation steps to prevent privilege escalation and code execution.
A detailed overview of CVE-2021-27277 affecting SolarWinds Orion Virtual Infrastructure Monitor 2020.2.
Understanding CVE-2021-27277
This CVE involves a privilege escalation vulnerability in SolarWinds Orion Virtual Infrastructure Monitor 2020.2, allowing local attackers to execute arbitrary code.
What is CVE-2021-27277?
CVE-2021-27277 refers to a flaw in the OneTimeJobSchedulerEventsService WCF service of SolarWinds Orion Virtual Infrastructure Monitor 2020.2. Attackers can exploit this vulnerability to escalate privileges by executing low-privileged code on the system.
The Impact of CVE-2021-27277
The vulnerability poses a high threat level with a CVSS base score of 7.8. Attackers can potentially gain full system access and execute malicious code, leading to severe confidentiality and integrity breaches.
Technical Details of CVE-2021-27277
This section outlines the vulnerability description, affected systems, and the exploitation mechanism.
Vulnerability Description
The flaw arises from the inadequate validation of user-supplied data, which can enable attackers to deserialize untrusted data and escalate privileges to execute code as SYSTEM.
Affected Systems and Versions
SolarWinds Orion Virtual Infrastructure Monitor 2020.2 installations are impacted by this vulnerability.
Exploitation Mechanism
Attackers with the ability to run low-privileged code on the target system can exploit this vulnerability to elevate their privileges and run arbitrary code.
Mitigation and Prevention
Discover the immediate steps and long-term security practices to prevent exploitation and the importance of patching and updates.
Immediate Steps to Take
Organizations should restrict access to vulnerable systems, monitor for suspicious activities, and apply security patches promptly.
Long-Term Security Practices
Implement strong access controls, regularly update security configurations, and conduct security awareness training for staff to enhance overall cybersecurity.
Patching and Updates
SolarWinds has released patches to address this vulnerability. It is crucial for users to update to the latest version to mitigate the risk of exploitation.