Answer in brief
CVE-2021-37219 records a High severity (CVSS 8.8) vulnerability in HashiCorp Consul Privilege Escalation Vulnerability. The current sources do not mark it as known exploited. The current feed maps github.com/hashicorp/consul (go), github.com/hashicorp/consul (go), github.com/hashicorp/consul (go). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps github.com/hashicorp/consul (go), github.com/hashicorp/consul (go), github.com/hashicorp/consul (go). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| github.com/hashicorp/consulgo | >=1.10.1 <1.10.2 | 1.10.2 |
| github.com/hashicorp/consulgo | >=1.9.0 <1.9.9 | 1.9.9 |
| github.com/hashicorp/consulgo | >=0 <1.8.15 | 1.8.15 |
Published upstream
Sep 8, 2021
Evidence: source:osv:source_dates:source-dates:recordSource modified
Sep 10, 2026
Evidence: source:osv:source_dates:source-dates:recordFirst seen by HOL
Sep 10, 2026
HashiCorp 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 functionality, enabling privilege escalation. Fixed in 1.8.15, 1.9.9 and 1.10.2.
Quoted source text, attributed separately from HOL analysis.