How severe is CVE-2021-41847?

CVE-2021-41847 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-41847 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41847?

CVE-2021-41847 affects 3xlogic Infinias Access Control. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-41847?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-41847 published?

CVE-2021-41847 was published on 2021-10-01 and last updated on 2026-06-17.

CVE-2021-41847

CVE-2021-41847 is a high-severity vulnerability in 3xlogic Infinias Access Control with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
Affected product: 3xlogic Infinias Access Control
Published: 2021-10-01
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2021-41847?: 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.
How severe is CVE-2021-41847?: CVE-2021-41847 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-41847 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41847?: CVE-2021-41847 affects 3xlogic Infinias Access Control. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-41847?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-41847 published?: CVE-2021-41847 was published on 2021-10-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:3xlogic:infinias_access_control:*:*:*:*:*:*:*:*

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