CVE-2021-22320 : What You Need to Know
Learn about CVE-2021-22320, a denial of service vulnerability impacting various Huawei products. Attackers can exploit this flaw to disrupt services. Find out the affected systems, versions, and mitigation steps.
A denial of service vulnerability has been identified in Huawei products, impacting various versions of IPS Module, NGFW Module, NIP6600, NIP6800, Secospace USG6300, Secospace USG6500, and Secospace USG6600. Attackers can exploit this vulnerability by sending malicious messages to the affected module, resulting in a denial of service.
Understanding CVE-2021-22320
This CVE is related to a denial of service vulnerability found in Huawei products.
What is CVE-2021-22320?
CVE-2021-22320 refers to a vulnerability in Huawei products that allows attackers to trigger a denial of service by sending specific malicious messages.
The Impact of CVE-2021-22320
The vulnerability poses a significant risk as it can lead to a denial of service attack on the affected Huawei modules, potentially disrupting services.
Technical Details of CVE-2021-22320
This section covers the specifics of the vulnerability, including affected systems, versions, and exploitation mechanisms.
Vulnerability Description
The flaw in Huawei products results in the mishandling of certain messages by a module, paving the way for attackers to launch denial of service attacks.
Affected Systems and Versions
Versions V500R005C00SPC100, V500R005C00SPC200, V500R005C20SPC300, V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, V500R001C60SPC500, V500R005C20SPC500 are impacted across IPS Module, NGFW Module, NIP6600, NIP6800, Secospace USG6300, USG6500, and USG6600.
Exploitation Mechanism
To exploit CVE-2021-22320, attackers send malicious messages to modules within the vulnerable versions, causing them to malfunction and potentially crash, leading to denial of service.
Mitigation and Prevention
Outlined are the steps to mitigate the impact of this CVE and prevent future occurrences.
Immediate Steps to Take
Organizations should apply patches or workarounds provided by Huawei to address this vulnerability promptly.
Long-Term Security Practices
Implementing robust network security measures and regularly updating systems can help mitigate the risk of similar vulnerabilities.
Patching and Updates
Staying informed about security advisories from Huawei and promptly applying relevant patches is crucial to bolster the security posture of the affected products and versions.