UpHeron
All vulnerabilities

Servers and applications

CVE-2020-15104

In Envoy before versions 1.12.6, 1.13.4, 1.14.4, and 1.15.0 when validating TLS certificates, Envoy would incorrectly allow a wildcard DNS Subject Alternative Name apply to multiple subdomains. For example, with a SAN of *.example.com, Envoy would incorrectly allow nested.subdomain.example.com, when it should only allow subdomain.example.com. This defect applies to both validating a client TLS…

Severity
Medium 5.4
Published
14 Jul 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.12.6, 1.13.4, 1.14.4
Sources
NVD

Affected software

SoftwareAffected versions
EnvoyServers and applications · cpe:a:envoyproxy:envoy
  • Every version before 1.12.6
  • From 1.13.0 before 1.13.4
  • From 1.14.0 before 1.14.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-15104
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-15104