How severe is CVE-2021-43442?

CVE-2021-43442 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-43442 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43442?

CVE-2021-43442 primarily affects I3international Ax46 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-43442?

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-2021-43442 published?

CVE-2021-43442 was published on 2022-04-11 and last updated on 2026-06-17.

CVE-2021-43442

CVE-2021-43442 is a high-severity vulnerability in I3international Ax46 Firmware with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: I3international Ax46 Firmware
Published: 2022-04-11
Last modified: 2026-06-17

Description

A Logic Flaw vulnerability exists in i3 International Inc Annexxus Camera V5.2.0 build 150317 (Ax46), V5.0.9 build 151106 (Ax68), and V5.0.9 build 150615 (Ax78) due to a failure to allow the creation of more than one administrator account; however, this can be bypassed by parameter maniulation using PUT and DELETE and by calling the 'UserPermission' endpoint with the ID of created account and set it to 'admin' userType, successfully adding a second administrative account.

Frequently asked questions

What is CVE-2021-43442?: A Logic Flaw vulnerability exists in i3 International Inc Annexxus Camera V5.2.0 build 150317 (Ax46), V5.0.9 build 151106 (Ax68), and V5.0.9 build 150615 (Ax78) due to a failure to allow the creation of more than one administrator account; however, this can be bypassed by parameter maniulation using PUT and DELETE and by calling the 'UserPermission' endpoint with the ID of created account and set it to 'admin' userType, successfully adding a second administrative account.
How severe is CVE-2021-43442?: CVE-2021-43442 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-43442 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43442?: CVE-2021-43442 primarily affects I3international Ax46 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-43442?: 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-2021-43442 published?: CVE-2021-43442 was published on 2022-04-11 and last updated on 2026-06-17.

References

https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5688.php

Affected products (3)

cpe:2.3:o:i3international:ax46_firmware:5.2.0:*:*:*:*:*:*:*
cpe:2.3:o:i3international:ax68_firmware:5.0.9:*:*:*:*:*:*:*
cpe:2.3:o:i3international:ax78_firmware:5.0.9:*:*:*:*:*:*:*