What is the CVSS score of CVE-2021-41847?

CVE-2021-41847 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.5%.

Is there a public PoC exploit available for CVE-2021-41847?

Yes, a public proof-of-concept exploit is available for CVE-2021-41847. Prioritise patching immediately. EPSS: 1.5%.

Infinias Access Control CVE-2021-41847

HIGH

Authorization Bypass Through User-Controlled Key (CWE-639)

2021-10-01 cve@mitre.org

Authentication Bypass Infinias Access Control

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 01, 2021 - 23:15 nvd

HIGH 8.8

DescriptionNVD

An issue was discovered in 3xLogic Infinias Access Control through 6.7.10708.0, affecting physical security. Users with login credentials assigned to a specific zone can send modified HTTP GET and POST requests, allowing them to view user data such as personal information and Prox card credentials. Also, an authorized user of one zone can send API requests to unlock electronic locks associated with zones they are unauthorized to have access to. They can also create new user logins for zones they were not authorized to access, including the root zone of the software.

AnalysisAI

An issue was discovered in 3xLogic Infinias Access Control through 6.7.10708.0, affecting physical security. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-639. An issue was discovered in 3xLogic Infinias Access Control through 6.7.10708.0, affecting physical security. Users with login credentials assigned to a specific zone can send modified HTTP GET and POST requests, allowing them to view user data such as personal information and Prox card credentials. Also, an authorized user of one zone can send API requests to unlock electronic locks associated with zones they are unauthorized to have access to. They can also create new user logins for zones they were not authorized to access, including the root zone of the software. Affected products include: 3Xlogic Infinias Access Control. Version information: through 6.7.10708.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.