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CVE-2020-13597

17
FAUCET Score

CVE-2020-13597 describes an information disclosure vulnerability affecting Calico and Calico Enterprise versions 3.14.0 and below, respectively, when IPv6 is enabled but unused. A low-privileged, compromised pod can reconfigure a node's IPv6 interface, potentially redirecting network traffic to the attacker. Rated with a CVSS score of 3.5 (LOW), this vulnerability requires high attack complexity and only results in limited confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.6.2CPE matchmatch criteria
cpe:2.3:a:projectcalico:calico:*:*:*:*:enterprise:*:*:*
<= 3.8.8CPE matchmatch criteria
cpe:2.3:a:projectcalico:calico:*:*:*:*:*:*:*:*
>= 2.7.0, <= 2.7.4CPE matchmatch criteria
cpe:2.3:a:projectcalico:calico:*:*:*:*:enterprise:*:*:*
>= 2.8.0, <= 2.8.2CPE matchmatch criteria
cpe:2.3:a:projectcalico:calico:*:*:*:*:enterprise:*:*:*
>= 3.9.0, <= 3.9.5CPE matchmatch criteria
cpe:2.3:a:projectcalico:calico:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.0MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
1.8
Impact Score
3.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.90%
Probability of exploitation in next 30 days
EPSS Percentile
56.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0090 is in the 32nd percentile among its peer group of 1,638 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

gopatch availablevia ghsa
Product: github.com/projectcalico/calicoFixed in: 3.14.1
gopatch availablevia ghsa
Product: github.com/projectcalico/calicoFixed in: 3.13.4
gopatch availablevia ghsa
Product: github.com/projectcalico/calicoFixed in: 3.12.2
gopatch availablevia ghsa
Product: github.com/projectcalico/calicoFixed in: 3.11.3
gopatch availablevia ghsa
Product: github.com/projectcalico/calicoFixed in: 3.10.4
gopatch availablevia ghsa
Product: github.com/projectcalico/calicoFixed in: 3.9.6
gopatch availablevia ghsa
Product: github.com/projectcalico/calicoFixed in: 3.8.9

Vendor Advisories (1)

goGHSA-pf59-j7c2-rh6xmedium

Exposure of Sensitive Information to an Unauthorized Actor and Insertion of Sensitive Information Into Sent Data in Calico

Feb 15, 2022

References

github.com / kubernetes/kubernetes/issues/91507
Issue TrackingThird Party Advisory
groups.google.com / forum
projectcalico.org / security-bulletins
Vendor Advisory