SecuriTricks - CVE-2025-32793

Description

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Versions 1.15.0 to 1.15.15, 1.16.0 to 1.16.8, and 1.17.0 to 1.17.2, are vulnerable when using Wireguard transparent encryption in a Cilium cluster, packets that originate from a terminating endpoint can leave the source node without encryption due to a race condition in how traffic is processed by Cilium. This issue has been patched in versions 1.15.16, 1.16.9, and 1.17.3. There are no workarounds available for this issue.

Product(s) Impacted

Vendor	Product	Versions
Cilium	Cilium	1.15.0-1.15.15, 1.16.0-1.16.8, 1.17.0-1.17.2

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-319

Cleartext Transmission of Sensitive Information

The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	cilium	cilium	1.15.0-1.15.15	/	/	/	/	/	/	/
a	cilium	cilium	1.16.0-1.16.8	/	/	/	/	/	/	/
a	cilium	cilium	1.17.0-1.17.2	/	/	/	/	/	/	/

References

https://github.com/cilium/cilium/pull/38592

https://github.com/cilium/cilium/security/advisories/GHSA-5vxx-c285-pcq4

CVSS Score

4.0 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: HIGH
Privileges Required: NONE
Scope: CHANGED
Confidentiality Impact: LOW
Integrity Impact: NONE
Availability Impact: NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

View Vector String

Timeline

Published: April 21, 2025, 4:15 p.m.
Last Modified: April 21, 2025, 4:15 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

security-advisories@github.com

CVE-2025-32793