Home/CVE/OpenC3 COSMOS before v6.0.2 was discovered to contain hardcoded credentials for the Service Account.
CVE

CVE-2025-28388

OpenC3 COSMOS before v6.0.2 was discovered to contain hardcoded credentials for the Service Account.

OpenC3 COSMOS before v6.0.2 was discovered to contain hardcoded credentials for the Service Account.

CRITICAL · CVSS 9.8 EPSS 0.00536
Act now
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-798Use of Hard-coded Credentials
▤

Affected Products & Versions

1
openc3 cosmosall versions
⚠

Public Exploits & PoCs

1
pocvisionspace.com · openc3-cosmos-a-security-assessment-of-an-open-source-mis...visionspace.com
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Jun 2025 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/OpenC3/cosmos/pull/1816
https://github.com/OpenC3/cosmos/pull/1816/commits/195974a019f375f7c5a35f48e4151babb40649ac
https://github.com/OpenC3/cosmos/releases/tag/v6.0.2
https://openc3.com/Product
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