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CVE-2020-15127

25
FAUCET Score

CVE-2020-15127 is a critical vulnerability in Contour, an Ingress controller for Kubernetes, affecting versions prior to 1.7.0. An unauthenticated attacker can exploit an exposed Envoy shutdown endpoint to terminate all Envoy instances, effectively disabling the entire ingress data plane. This vulnerability carries a CVSSv3 score of 7.5 (HIGH), indicating a network-based attack with low complexity and high availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.7.0CPE matchmatch criteria
cpe:2.3:a:projectcontour:contour:*:*:*:*:*:kubernetes:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.38%
Probability of exploitation in next 30 days
EPSS Percentile
69.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0138 is in the 50th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / projectcontour/contour/releases/tag/v1.7.0
Release NotesThird Party Advisory
github.com / projectcontour/contour/security/advisories/GHSA-mjp8-x484-pm3r
PatchThird Party Advisory