How severe is CVE-2021-40612?

CVE-2021-40612 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-40612 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-40612?

CVE-2021-40612 affects Opmantek Open-audit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-40612?

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

When was CVE-2021-40612 published?

CVE-2021-40612 was published on 2021-12-22 and last updated on 2026-06-17.

CVE-2021-40612

CVE-2021-40612 is a critical-severity vulnerability in Opmantek Open-audit with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Opmantek Open-audit
Published: 2021-12-22
Last modified: 2026-06-17

Description

An issue was discovered in Opmantek Open-AudIT after 3.5.0. Without authentication, a vulnerability in code_igniter/application/controllers/util.php allows an attacker perform command execution without echoes.

Frequently asked questions

What is CVE-2021-40612?: An issue was discovered in Opmantek Open-AudIT after 3.5.0. Without authentication, a vulnerability in code_igniter/application/controllers/util.php allows an attacker perform command execution without echoes.
How severe is CVE-2021-40612?: CVE-2021-40612 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-40612 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-40612?: CVE-2021-40612 affects Opmantek Open-audit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-40612?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-40612 published?: CVE-2021-40612 was published on 2021-12-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:opmantek:open-audit:*:*:*:*:*:*:*:*

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