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CVE-2020-13597

6.0 · MEDIUM

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.

Published Jun 3, 2020CWE-201EPSS 0.90%

Overview

CVE-2020-13597 is a medium-severity vulnerability. It was published on June 3, 2020 and has a CVSS 3.1 base score of 6.0 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/kubernetes/kubernetes/issues/91507Refgroups.google.com/forum/#%21topic/kubernetes-security-announce/BMb_6ICCfp8Refwww.projectcalico.org/security-bulletins/GitHubgithub.com/kubernetes/kubernetes/issues/91507Refgroups.google.com/forum/#%21topic/kubernetes-security-announce/BMb_6ICCfp8Refwww.projectcalico.org/security-bulletins/

How CyberStrike helps

Frequently asked questions

What is CVE-2020-13597?

CVE-2020-13597 is a medium-severity vulnerability. It was published on June 3, 2020 and has a CVSS 3.1 base score of 6.0 (MEDIUM).

How severe is CVE-2020-13597?

This vulnerability has a CVSS 3.1 base score of 6.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-13597?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-13597?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-13597 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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