Improper Authorization in HashiCorp Consul and Consul Enterprise
CVE-2021-38698

6.5MEDIUM

Key Information:

Vendor

Hashicorp
Status
Consul
Vendor
CVE Published:
7 September 2021

What is CVE-2021-38698?

An improper authorization issue in HashiCorp Consul and Consul Enterprise versions prior to 1.10.2 allowed services to register proxies for other services via the Txn.Apply endpoint. This vulnerability facilitated unauthorized access to service traffic, potentially exposing sensitive system interactions and compromising overall system integrity. Users are advised to upgrade to versions 1.8.15, 1.9.9, or 1.10.2 to mitigate this risk.

References

https://www.hashicorp.com/blog/category/consul
x_refsource_MISC
https://discuss.hashicorp.com/t/hcsec-2021-24-consul-miss...
x_refsource_MISC
https://security.gentoo.org/glsa/202208-09
vendor-advisoryx_refsource_GENTOO

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.