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Vulnerability Details : CVE-2023-27595

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. In version 1.13.0, when Cilium is started, there is a short period when Cilium eBPF programs are not attached to the host. During this period, the host does not implement any of Cilium's featureset. This can cause disruption to newly established connections during this period due to the lack of Load Balancing, or can cause Network Policy bypass due to the lack of Network Policy enforcement during the window. This vulnerability impacts any Cilium-managed endpoints on the node (such as Kubernetes Pods), as well as the host network namespace (including Host Firewall). This vulnerability is fixed in Cilium 1.13.1 or later. Cilium releases 1.12.x, 1.11.x, and earlier are not affected. There are no known workarounds.
Publish Date : 2023-03-17 Last Update Date : 2023-03-24
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- CVSS Scores & Vulnerability Types

CVSS Score
0.0
Confidentiality Impact ???
Integrity Impact ???
Availability Impact ???
Access Complexity ???
Authentication ???
Gained Access None
Vulnerability Type(s) Bypass a restriction or similar
CWE ID 755

- Products Affected By CVE-2023-27595

# Product Type Vendor Product Version Update Edition Language
1 Application Cilium Cilium 1.13.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Cilium Cilium 1

- References For CVE-2023-27595

https://github.com/cilium/cilium/pull/24336
https://github.com/cilium/cilium/security/advisories/GHSA-r5x6-w42p-jhpp
https://github.com/cilium/cilium/releases/tag/v1.13.1

- Metasploit Modules Related To CVE-2023-27595

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)
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