What is the CVSS score of CVE-2021-27509?

CVE-2021-27509 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 1.0%.

Myconnection Server CVE-2021-27509

HIGH

Incorrect Authorization (CWE-863)

2021-02-19 cve@mitre.org

Authentication Bypass Myconnection Server

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Feb 19, 2021 - 23:15 nvd

HIGH 7.5

DescriptionNVD

In Visualware MyConnection Server before 11.0b build 5382, each published report is not associated with its own access code.

AnalysisAI

In Visualware MyConnection Server before 11.0b build 5382, each published report is not associated with its own access code. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. In Visualware MyConnection Server before 11.0b build 5382, each published report is not associated with its own access code. Affected products include: Visualware Myconnection Server. Version information: before 11.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.