Vulnerability CVE-2021-38698
Published: 2021-09-07

Description:
HashiCorp Consul and Consul Enterprise 1.10.1 Txn.Apply endpoint allowed services to register proxies for other services, enabling access to service traffic. Fixed in 1.8.15, 1.9.9 and 1.10.2.

Type:

CWE-863

 (Incorrect Authorization)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Hashicorp -> Consul 

 References:
https://www.hashicorp.com/blog/category/consul
https://discuss.hashicorp.com/t/hcsec-2021-24-consul-missing-authorization-check-on-txn-apply-endpoint/29026
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