CVE-2020-13597: Projectcalico Calico

Low severity, CVSS 3.5. EPSS: 0.9% chance of exploitation in the next 30 days.

Clusters using Calico (version 3.14.0 and below), Calico Enterprise (version 2.8.2 and below), may be vulnerable to information disclosure if IPv6 is enabled but unused. A compromised pod with sufficient privilege is able to reconfigure the node’s IPv6 interface due to the node accepting route advertisement by default, allowing the attacker to redirect full or partial network traffic from the node to the compromised pod.

Affected products

• Projectcalico Calico: up to and including 2.6.2; up to and including 3.8.8; from 2.7.0, up to and including 2.7.4; from 2.8.0, up to and including 2.8.2; from 3.9.0, up to and including 3.9.5; from 3.10.0, up to and including 3.10.3; …

Published 2020-06-03. Last modified 2026-06-17.