Missing Authorization in Consul and Consul Enterprise - CVE-2021-38698
Published: June 5, 2023
Vulnerability identifier: #VU76847
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-38698
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to Txn.Apply endpoint allowed services to register proxies for other services, enabling access to service traffic. A remote user can gain unauthorized access to sensitive information on the system.
Affected software
Consul
Consul Enterprise
Gentoo Linux
IBM Edge Application Manager
app-admin/consul
IBM Cloud Pak for Watson AIOps
Consul Enterprise
Gentoo Linux
IBM Edge Application Manager
app-admin/consul
IBM Cloud Pak for Watson AIOps
How to mitigate CVE-2021-38698
Install updates from vendor's website.
Consul - addressed in versions 1.8.15, 1.9.9, 1.10.2
Consul Enterprise - addressed in versions 1.8.15, 1.9.9, 1.10.2
app-admin/consul - update to 1.9.17
IBM Cloud Pak for Watson AIOps - update to 4.1
Consul Enterprise - addressed in versions 1.8.15, 1.9.9, 1.10.2
app-admin/consul - update to 1.9.17
IBM Cloud Pak for Watson AIOps - update to 4.1