OpenC3 COSMOS 6.0.0 weak password

Summaryinfo

A vulnerability, which was classified as critical, has been found in OpenC3 COSMOS 6.0.0. Affected is an unknown function. The manipulation leads to weak password. This vulnerability is traded as CVE-2025-28389. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in OpenC3 COSMOS 6.0.0. This issue affects an unknown functionality. The manipulation with an unknown input leads to a weak password vulnerability. Using CWE to declare the problem leads to CWE-521. The product does not require that users should have strong passwords, which makes it easier for attackers to compromise user accounts. Impacted is confidentiality. The summary by CVE is:

Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack.

The identification of this vulnerability is CVE-2025-28389 since 03/11/2025. The exploitation is known to be difficult. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1552 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-18268). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• OpenC3

Name

• COSMOS

Version

• 6.0.0

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion