Hashicorp Consul

36 CVEs affecting Hashicorp Consul. Latest disclosed: 2026-03-12. Critical: 0, High: 20.

Top CVEs affecting Hashicorp Consul
CVESeverityScorePublishedSummary
CVE-2021-41805High8.82021-12-12HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4 has Incorrect Access Control. An ACL token (with the default operator…
CVE-2021-37219High8.82021-09-07HashiCorp Consul and Consul Enterprise 1.10.1 Raft RPC layer allows non-server agents with a valid certificate signed by the same CA to access server-only func…
CVE-2023-2816High8.72023-06-02Consul and Consul Enterprise allowed any user with service:write permissions to use Envoy extensions configured via service-defaults to patch remote proxy inst…
CVE-2021-3121High8.62021-01-11An issue was discovered in GoGo Protobuf before 1.3.2. plugin/unmarshal/unmarshal.go lacks certain index validation, aka the "skippy peanut butter" issue.
CVE-2024-10006High8.32024-10-30A vulnerability was identified in Consul and Consul Enterprise (“Consul”) such that using Headers in L7 traffic intentions could bypass HTTP header based acces…
CVE-2024-10005High8.12024-10-30A vulnerability was identified in Consul and Consul Enterprise (“Consul”) such that using URL paths in L7 traffic intentions could bypass HTTP request path-bas…
CVE-2019-8336High8.12019-03-05HashiCorp Consul (and Consul Enterprise) 1.4.x before 1.4.3 allows a client to bypass intended access restrictions and obtain the privileges of one other arbit…
CVE-2022-29153High7.52022-04-19HashiCorp Consul and Consul Enterprise up to 1.9.16, 1.10.9, and 1.11.4 may allow server side request forgery when the Consul client agent follows redirects re…
CVE-2021-36213High7.52021-07-17HashiCorp Consul and Consul Enterprise 1.9.0 through 1.10.0 default deny policy with a single L7 application-aware intention deny action cancels out, causing t…
CVE-2021-32574High7.52021-07-17HashiCorp Consul and Consul Enterprise 1.3.0 through 1.10.0 Envoy proxy TLS configuration does not validate destination service identity in the encoded subject…
CVE-2021-28156High7.52021-04-20HashiCorp Consul Enterprise version 1.8.0 up to 1.9.4 audit log can be bypassed by specifically crafted HTTP events. Fixed in 1.9.5, and 1.8.10.
CVE-2020-25201High7.52020-11-04HashiCorp Consul Enterprise version 1.7.0 up to 1.8.4 includes a namespace replication bug which can be triggered to cause denial of service via infinite Raft…
CVE-2020-13250High7.52020-06-11HashiCorp Consul and Consul Enterprise include an HTTP API (introduced in 1.2.0) and DNS (introduced in 1.4.3) caching feature that was vulnerable to denial of…
CVE-2020-13170High7.52020-06-11HashiCorp Consul and Consul Enterprise did not appropriately enforce scope for local tokens issued by a primary data center, where replication to a secondary d…
CVE-2020-12758High7.52020-06-11HashiCorp Consul and Consul Enterprise could crash when configured with an abnormally-formed service-router entry. Introduced in 1.6.0, fixed in 1.6.6 and 1.7…
CVE-2020-7219High7.52020-01-31HashiCorp Consul and Consul Enterprise up to 1.6.2 HTTP/RPC services allowed unbounded resource usage, and were susceptible to unauthenticated denial of servic…
CVE-2019-12291High7.52019-06-06HashiCorp Consul 1.4.0 through 1.5.0 has Incorrect Access Control. Keys not matching a specific ACL rule used for prefix matching in a policy can be deleted by…
CVE-2023-3518High7.42023-08-09HashiCorp Consul and Consul Enterprise 1.16.0 when using JWT Auth for service mesh incorrectly allows/denies access regardless of service identities. Fixed in…
CVE-2019-9764High7.42019-03-26HashiCorp Consul 1.4.3 lacks server hostname verification for agent-to-agent TLS communication. In other words, the product behaves as if verify_server_hostnam…
CVE-2021-41803High7.12022-09-23HashiCorp Consul 1.8.1 up to 1.11.8, 1.12.4, and 1.13.1 do not properly validate the node or segment names prior to interpolation and usage in JWT claim assert…