CVSS 3.1 Score 5.5 of 10 (medium)


Published Oct 6, 2023
Updated: Mar 23, 2024
CWE ID 345


CVE-2023-5366 is a vulnerability affecting Open vSwitch that allows ICMPv6 Neighbor Advertisement packets between virtual machines to bypass OpenFlow rules. This flaw enables a local attacker to create malicious packets with a modified or spoofed target IP address field, redirecting ICMPv6 traffic to arbitrary IP addresses. The vulnerability impacts several products, including pojnmE, pojnmF, pojnmA, pojnmB, pojnmC, dCiVOI, and many others. To remediate the issue, users should apply the necessary patches or updates provided by the vendor. This vulnerability poses a medium-level risk with a base severity of 5.5 according to the CVSS scoring system. While it requires low privileges and no user interaction for exploitation, it has a high impact on integrity.

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