How severe is CVE-2023-21407?

CVE-2023-21407 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-2023-21407 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-21407?

CVE-2023-21407 affects Axis License Plate Verifier. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-21407?

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-2023-21407 published?

CVE-2023-21407 was published on 2023-08-03 and last updated on 2026-06-17.

CVE-2023-21407

CVE-2023-21407 is a high-severity vulnerability in Axis License Plate Verifier 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.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Axis License Plate Verifier
Published: 2023-08-03
Last modified: 2026-06-17

Description

A broken access control was found allowing for privileged escalation of the operator account to gain administrator privileges.

Frequently asked questions

What is CVE-2023-21407?: A broken access control was found allowing for privileged escalation of the operator account to gain administrator privileges.
How severe is CVE-2023-21407?: CVE-2023-21407 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-2023-21407 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-21407?: CVE-2023-21407 affects Axis License Plate Verifier. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-21407?: 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-2023-21407 published?: CVE-2023-21407 was published on 2023-08-03 and last updated on 2026-06-17.

References

https://www.axis.com/dam/public/0b/1c/96/cve-2023-2140712-en-US-409778.pdf

Affected products (1)

cpe:2.3:a:axis:license_plate_verifier:*:*:*:*:*:*:*:*

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