Vulnerability Monitor

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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.

Published

2021-09-07T12:15:07.680

Last Modified

2024-11-21T06:14:53.100

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-295

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	hashicorp	nomad	< 1.0.10	Yes
Application	hashicorp	nomad	≤ 1.0.10	Yes
Application	hashicorp	nomad	< 1.1.4	Yes
Application	hashicorp	nomad	< 1.1.4	Yes

References

https://discuss.hashicorp.com/t/hcsec-2021-21-nomad-raft-rpc-privilege-escalation/29023 Vendor Advisory ([email protected])
https://www.hashicorp.com/blog/category/nomad Product, Vendor Advisory ([email protected])
https://discuss.hashicorp.com/t/hcsec-2021-21-nomad-raft-rpc-privilege-escalation/29023 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.hashicorp.com/blog/category/nomad Product, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)