High severity · published Sep 7, 2021
CVE-2021-37219
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…
8.8
CVSS
1.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Consul · Hashicorp
before 1.8.15; before 1.8.15; 1.9.0 before 1.9.9; 1.9.0 before 1.9.9; 1.10.0 before 1.10.2; 1.10.0 before 1.10.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-37219
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-37219
Vendor Advisory
https://discuss.hashicorp.com/t/hcsec-2021-22-consul-raft-rpc-privilege-escalation/29024
Third Party Advisory
https://security.gentoo.org/glsa/202207-01
Product
https://www.hashicorp.com/blog/category/consul
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