Vulnerability Details : CVE-2021-37218
HashiCorp Nomad and Nomad Enterprise 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 1.0.10 and 1.1.4.
Vulnerability category: Gain privilege
Products affected by CVE-2021-37218
- cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*
- cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:*
- cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:*
- cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-37218
0.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 34 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-37218
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2021-37218
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-37218
-
https://www.hashicorp.com/blog/category/nomad
HashiCorp BlogProduct;Vendor Advisory
-
https://discuss.hashicorp.com/t/hcsec-2021-21-nomad-raft-rpc-privilege-escalation/29023
HCSEC-2021-21 - Nomad Raft RPC Privilege Escalation - Security - HashiCorp DiscussVendor Advisory
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