How severe is CVE-2023-43271?

CVE-2023-43271 has a CVSS 3.x base score of 9.1, 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 none.

Is CVE-2023-43271 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43271?

CVE-2023-43271 affects 70mai A500s Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-43271?

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-2023-43271 published?

CVE-2023-43271 was published on 2023-10-09 and last updated on 2026-06-17.

CVE-2023-43271

CVE-2023-43271 is a critical-severity vulnerability in 70mai A500s Firmware with a CVSS 3.x base score of 9.1. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: 70mai A500s Firmware
Published: 2023-10-09
Last modified: 2026-06-17

Description

Incorrect access control in 70mai a500s v1.2.119 allows attackers to directly access and delete the video files of the driving recorder through ftp and other protocols.

Frequently asked questions

What is CVE-2023-43271?: Incorrect access control in 70mai a500s v1.2.119 allows attackers to directly access and delete the video files of the driving recorder through ftp and other protocols.
How severe is CVE-2023-43271?: CVE-2023-43271 has a CVSS 3.x base score of 9.1, 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 none.
Is CVE-2023-43271 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43271?: CVE-2023-43271 affects 70mai A500s Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-43271?: 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-2023-43271 published?: CVE-2023-43271 was published on 2023-10-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:70mai:a500s_firmware:1.2.119:*:*:*:*:*:*:*

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