Appsecure logo

CVE-2023-34057: High Vulnerability in VMware Tools

A high-severity privilege escalation vulnerability in VMware Tools allows local users to elevate their privileges within a guest virtual machine. Immediate action is required to mitigate potential risks.

HIGHCVSS 7.8 · Published October 27, 2023

Not a customer? See how AppSecure simulates real world attacks to protect your infrastructure.

Speak to Experts

VMware Tools contains a local privilege escalation vulnerability. A malicious actor with local user access to a guest virtual machine may elevate privileges within the virtual machine. This vulnerability is classified as high severity, with a CVSS score of 7.8, indicating that it poses a significant risk to organizations.

The potential impact of this vulnerability is considerable. Attackers may leverage this flaw to gain unauthorized access and control over the guest virtual machine, leading to unauthorized actions, data breaches, or further compromise of the virtual environment.

Organizations should prioritize patching immediately to mitigate this risk. Given the nature of the vulnerability and its implications, swift action is essential to protect sensitive data and maintain the integrity of virtualized environments.

As of now, there are no known exploits or public proof of concepts associated with this vulnerability. However, the potential for exploitation remains high, making it imperative for organizations to stay vigilant.

This vulnerability underscores the importance of maintaining updated security measures and ensuring that all components of virtual infrastructures are adequately protected.

Vulnerability Details

VMware Tools contains a local privilege escalation vulnerability. A malicious actor with local user access to a guest virtual machine may elevate privileges within the virtual machine.

The CVSS score for this vulnerability is 7.8, classified as high severity. This indicates that the vulnerability has a high potential for exploitation, given its low attack complexity and the privileges required to execute it.

The affected product is VMware Tools, with versions ranging from 10.3.0 to 12.1.1 being vulnerable. The vulnerability has been published on October 27, 2023.

This vulnerability is classified under CWE-269, which pertains to privilege escalation vulnerabilities.

Technical Analysis

The root cause of this vulnerability lies in the design of VMware Tools, which allows local users to manipulate privileges within the virtual machine environment. The attack vector is local, requiring the attacker to have access to the guest operating system.

The attack complexity is low, meaning that no special conditions need to be met for an attacker to exploit this vulnerability. It requires low privileges, allowing even users with minimal access to escalate their privileges.

User interaction is not required, which further increases the risk as an attacker can exploit the vulnerability without needing any help from legitimate users.

The impact on confidentiality, integrity, and availability is high. An attacker successfully exploiting this vulnerability could gain significant control over the virtual machine, potentially leading to data breaches or disruptions in availability.

Risk & Impact Analysis

The real-world deployment risk associated with this vulnerability is significant. Organizations utilizing VMware Tools must recognize the potential for unauthorized access and the severe consequences that can arise from privilege escalation.

The blast radius is considerable, as an attacker could potentially gain access to sensitive data or systems across the virtualized environment. This vulnerability emphasizes the necessity for organizations to maintain rigorous security protocols and regularly update their systems.

Given the CVSS score of 7.8, organizations should address this vulnerability in their priority patch cycle. This is critical for maintaining the integrity of their IT environments.

Exploitation Status

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

The affected versions of VMware Tools range from 10.3.0 to 12.1.1. Organizations using these versions should take immediate action to apply the necessary patches.

Mitigation & Remediation

Organizations should prioritize patching VMware Tools to versions that are not affected by this vulnerability. Regular updates and patches are crucial in minimizing the risk associated with vulnerabilities.

For those unable to apply patches immediately, implementing workarounds such as restricting user access and improving monitoring of guest virtual machines can help mitigate risks.

Configuration hardening and network controls should also be enforced to further protect virtual environments from unauthorized access.

Organizations should validate remediation through penetration testing to identify similar weaknesses.

Detection Guidance

Organizations should monitor logs for unusual activities related to VMware Tools and virtual machine access. Look for behavioral anomalies that could indicate attempts to exploit this vulnerability.

Network signatures should be established to detect unauthorized access attempts, and system changes should be monitored for any unexpected modifications.

AppSecure Threat Intelligence Insight

The long-term significance of this vulnerability lies in its potential to enable unauthorized access to sensitive environments. It highlights the need for continuous vigilance and proactive measures in securing virtual infrastructures.

This vulnerability reinforces patterns observed in the prevalence of privilege escalation vulnerabilities across various platforms. Security teams must prioritize addressing such vulnerabilities to mitigate risks effectively.

Organizations are encouraged to review their security frameworks and ensure that they are equipped to handle vulnerabilities like CVE-2023-34057 to enhance their overall security posture.

For further information on enhancing security strategies, organizations can refer to resources on vulnerability management programs and penetration testing methodologies to improve their defenses.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

Latest CVEs. Recently published vulnerabilities from the NVD database.

View all vulnerabilities
CVE IDSeverity
CVE-2025-65418HIGH
CVE-2025-65417MEDIUM
CVE-2025-65416MEDIUM
CVE-2025-65415MEDIUM
CVE-2025-61314HIGH

Protect Your Business with Hacker-Focused Approach.