Vulnerability · Published Jun 2, 2023 · Assigned by HashiCorp
CVE-2023-2816Consul Envoy Extension Downsteam Proxy Configuration By Upstream Service Owner
High 8.7
In plain English
A high-severity security flaw in Consul from HashiCorp. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.7High
Exploit odds (30 days)0.6%top 51.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Consul and Consul Enterprise allowed any user with service:write permissions to use Envoy extensions configured via service-defaults to patch remote proxy instances that target the configured service, regardless of whether the user has permission to modify the service(s) corresponding to those modified proxies.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/hashicorp/consul | 1.15.3 | GHSA-rqjq-ww83-wv5c |
| Go | github.com/hashicorp/consul | 1.15.3 | GO-2023-1828 |
| Ubuntu:22.04:LTS | consul | no fix listed | UBUNTU-CVE-2023-2816 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| HashiCorp | Consul | 1.15.01.15.11.15.2 |
| HashiCorp | Consul Enterprise | 1.15.01.15.11.15.2 |
Weakness: CWE-266 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N