Privilege Escalation in HashiCorp Consul and Consul Enterprise
CVE-2021-37219

8.8HIGH

Key Information:

Vendor
Hashicorp
Status
Consul
Vendor
CVE Published:
7 September 2021

Summary

The vulnerability in HashiCorp Consul and Consul Enterprise version 1.10.1 relates to the Raft RPC layer, where non-server agents equipped with a valid certificate from the same Certificate Authority can gain access to functionalities restricted to server agents. This flaw allows unauthorized escalation of privileges, potentially compromising the integrity of the system. It has been addressed in subsequent releases: versions 1.8.15, 1.9.9, and 1.10.2.

References

https://www.hashicorp.com/blog/category/consul
x_refsource_MISC
https://discuss.hashicorp.com/t/hcsec-2021-22-consul-raft...
x_refsource_MISC
https://security.gentoo.org/glsa/202207-01
vendor-advisoryx_refsource_GENTOO

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.