CVE-2020-7956 json
Improper Certificate Validation in HashiCorp Nomad
published 2020-01-31 6 y ago modified 2026-06-17 4 mo ago also GHSA-cj2h-ww36-v932 , GO-2022-0821 , EUVD-2021-1046
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
HashiCorp Nomad and Nomad Enterprise up to 0.10.2 incorrectly validated role/region associated with TLS certificates used for mTLS RPC, and were susceptible to privilege escalation. Fixed in 0.10.3.
Patch / fix
- go github.com/hashicorp/nomad 0.10.3
- hashicorp nomad 0.10.3
- github.com/hashicorp/nomad#7023 pull request
Exploit prediction
0.98% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/hashicorp/nomad | <0.10.3 |
0.10.3 |
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
github.com
/hashicorp/nomad/pull/7023
web, patch
-
hashicorp.com
/blog/category/nomad/
vendor-advisory
-
github.com
/hashicorp/nomad/issues/7003
web, third-party-advisory, report
-
nvd.nist.gov
/vuln/detail/CVE-2020-7956
advisory
-
hashicorp.com
/blog/category/nomad
web
-
github.com
/advisories/GHSA-cj2h-ww36-v932
advisory
Sources
- CVE List CVE-2020-7956
- GitHub Advisory GHSA-cj2h-ww36-v932
- NVD CVE-2020-7956
- OSV GO-2022-0821
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