CVE-2024-25631 Unencrypted traffic between pods when using Wireguard and an external kvstore
Attackers can read unencrypted traffic between pods in clusters using Wireguard and an external kvstore due to a Cilium bug.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-25631?
CVE-2024-25631 is a medium-severity vulnerability in cilium, published on 20 Feb 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who have enabled an external kvstore and Wireguard transparent encryption, traffic between pods in the affected cluster is not encrypted. This issue affects Cilium v1.14 before v1.14.7 and has been patched in Cilium v1.14.7. There is no workaround to this issue.
Which versions are affected by CVE-2024-25631?
10 open source packages ship an affected version, including github.com/cilium/cilium, cilium and cilium-operator. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/cilium/cilium Go | From 1.14.0 | 1.14.7 |
github.com/cilium/cilium Go | From 1.14.0 | 1.14.7 |
github.com/cilium/cilium Go | From 1.14.0 | 1.14.7 |
cilium Bitnami | All versions | 1.14.7 |
cilium-operator Bitnami | All versions | 1.14.7 |
cilium-proxy Bitnami | All versions | 1.14.7 |
4 more packages
hubble Bitnami | All versions | 1.14.7 |
hubble-relay Bitnami | All versions | 1.14.7 |
hubble-ui Bitnami | All versions | 1.14.7 |
hubble-ui-backend Bitnami | All versions | 1.14.7 |
Products include Cilium Cilium.
How do I fix CVE-2024-25631?
Upgrade github.com/cilium/cilium to 1.14.7 or later.
Is CVE-2024-25631 being exploited?
There is no known exploitation of CVE-2024-25631 in the wild and no public exploit code.
Other vulnerabilities in cilium
- CVE-2026-49445 Cilium: Sensitive information disclosure and cluster disruption via local Envoy admin socket access
- CVE-2022-29178 Incorrect Default Permissions in Cilium
- CVE-2024-28860 Insecure IPsec transport encryption in Cilium
- CVE-2026-41520 Cillium exposes sensitive information included in the cilium-bugtool debug archive
- CVE-2024-37307 Cilium leaks sensitive information in cilium-bugtool
Sources
Also known as BIT-cilium-2024-25631, BIT-cilium-operator-2024-25631, BIT-cilium-proxy-2024-25631, BIT-hubble-2024-25631, BIT-hubble-relay-2024-25631, BIT-hubble-ui-2024-25631 and 3 more.