CVE-2024-28860: Insecure IPsec transparent encryption in github.com/cilium/cilium
Summary
CVE-2024-28860: Insecure IPsec transparent encryption in github.com/cilium/cilium. Affects github.com/cilium/cilium across 3 version ranges.
< 1.13.14
>= 1.14.0, < 1.14.9
>= 1.15.0, < 1.15.3
Fixed in 1.13.14, 1.14.9 or 1.15.3, depending on the release line you run. How to fix ↓
Also tracked for
- hubble-ui · Bitnami
- hubble-ui-backend · Bitnami
- cilium-proxy · Bitnami
- hubble · Bitnami
- hubble-relay · Bitnami
- cilium · Bitnami
- cilium-operator · Bitnami
The same CVE-2024-28860 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
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Background
The package under scrutiny is github.com/cilium/cilium, which is written in Go. Cilium is an open-source software-defined networking (SDN) and network security project. It provides networking and security services with a focus on containerized applications, using Linux kernel features like BPF (Berkeley Packet Filter) and XDP (eXpress Data Path). The package enables transparent encryption of IPsec traffic. However, a vulnerability has been discovered in the IPsec transparent encryption implementation.
Vulnerability Detail
The vulnerability in github.com/cilium/cilium allows for insecure IPsec transparent encryption. This vulnerability could potentially lead to unauthorized access to sensitive data transmitted over IPsec connections. Attackers may be able to intercept and decrypt the encrypted traffic, compromising the confidentiality and integrity of the data. The vulnerability affects versions 0, 1.13.14, 1.14.0 - 1.14.9, and 1.15.0 - 1.15.3 of the package.
How To Fix
Latest published version: v1.20.3 as of 22 Oct 2026
go get github.com/cilium/cilium@v1.20.3Upgrading to it may include breaking changes; the versions below are the minimum fixed release for this vulnerability.
If you can't move to the latest
The minimum fixed version depends on the release line you run.
-
< 1.13.141.13.14go get github.com/cilium/cilium@v1.13.14 -
>= 1.14.0, < 1.14.91.14.9go get github.com/cilium/cilium@v1.14.9 -
>= 1.15.0, < 1.15.31.15.3go get github.com/cilium/cilium@v1.15.3
Tip — Not sure which release line you're on? Vulert can find the fix for the version you are using. Scan free →
Workaround
There is no known workaround for this vulnerability. It is essential to update to a secure version of the package to mitigate the risk.
Conclusion
Insecure IPsec transparent encryption in github.com/cilium/cilium (CVE-2024-28860) poses a risk to the confidentiality and integrity of data transmitted over IPsec connections. It is crucial to update to a secure version (1.14.10 or 1.15.4, or any subsequent secure version) to mitigate the vulnerability. For further support on vulnerability remediation, contact DevNack.com.
See every vulnerability recorded for github.com/cilium/cilium →
FAQ
The vulnerability allows for insecure IPsec transparent encryption, potentially leading to unauthorized access to sensitive data transmitted over IPsec connections.
Versions 0, 1.13.14, 1.14.0 - 1.14.9, and 1.15.0 - 1.15.3 of the package are affected.
To fix the vulnerability, update the package to version 1.14.10 or 1.15.4, or any subsequent secure version.
There is no known workaround for this vulnerability. Updating to a secure version is the recommended solution.
For more information, refer to the vulnerability details provided in the Open Source Vulnerability format (GO-2024-2666).
References
Related vulnerabilities
Recent vulnerabilities recorded for github.com/cilium/cilium.
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