Learn about CVE-2022-35258, a vulnerability impacting Ivanti products, allowing unauthenticated attackers to trigger denial-of-service attacks. Take immediate action to apply patches for protection.
This article provides details about CVE-2022-35258, a vulnerability that allows an unauthenticated attacker to cause a denial-of-service on multiple Ivanti products.
Understanding CVE-2022-35258
This section covers what CVE-2022-35258 is and its impact.
What is CVE-2022-35258?
The vulnerability in CVE-2022-35258 allows an unauthenticated attacker to trigger a denial-of-service attack on Ivanti Connect Secure (ICS), Ivanti Policy Secure (IPS), and Ivanti Neurons for Zero Trust Access Gateway.
The Impact of CVE-2022-35258
The impact of this CVE is significant as it can disrupt the normal operation of affected Ivanti products, potentially leading to service downtime.
Technical Details of CVE-2022-35258
This section delves into the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability arises from a flaw that enables an unauthenticated attacker to exploit Ivanti Connect Secure, Ivanti Policy Secure, and Ivanti Neurons for Zero Trust Access Gateway, causing a denial-of-service condition.
Affected Systems and Versions
The following versions are affected: Ivanti Connect Secure (ICS) before 9.1R14.3, 9.1R15.2, 9.1R16.2, and 22.2R4, Ivanti Policy Secure (IPS) before 9.1R17 and 22.3R1, and Ivanti Neurons for Zero Trust Access Gateway before 22.3R1. Users with these versions are at risk.
Exploitation Mechanism
The vulnerability can be exploited remotely by an unauthenticated attacker, which makes it particularly dangerous as it can be triggered without needing any prior access.
Mitigation and Prevention
This section provides insights on how to mitigate the risks associated with CVE-2022-35258.
Immediate Steps to Take
Affected users should apply the necessary patches provided by Ivanti to address the vulnerability and prevent exploitation. Additionally, network segmentation and access controls can help limit exposure.
Long-Term Security Practices
Implementing regular security updates, conducting security assessments, and ensuring proper access controls can enhance the overall security posture of the systems.
Patching and Updates
It is crucial for organizations to stay updated with patches released by Ivanti for the impacted products. Promptly applying these patches can help safeguard against potential attacks.