How severe is CVE-2023-45801?

CVE-2023-45801 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-45801 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-45801?

CVE-2023-45801 primarily affects Nadatel At-0402r Firmware. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-45801?

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-2023-45801 published?

CVE-2023-45801 was published on 2023-12-13 and last updated on 2026-06-17.

CVE-2023-45801

CVE-2023-45801 is a high-severity vulnerability in Nadatel At-0402r Firmware with a CVSS 3.x base score of 7.5. 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Nadatel At-0402r Firmware
Published: 2023-12-13
Last modified: 2026-06-17

Description

Improper Authentication vulnerability in Nadatel DVR allows Information Elicitation.This issue affects DVR: from 3.0.0 before 9.9.0.

Frequently asked questions

What is CVE-2023-45801?: Improper Authentication vulnerability in Nadatel DVR allows Information Elicitation.This issue affects DVR: from 3.0.0 before 9.9.0.
How severe is CVE-2023-45801?: CVE-2023-45801 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-45801 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-45801?: CVE-2023-45801 primarily affects Nadatel At-0402r Firmware. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-45801?: 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-2023-45801 published?: CVE-2023-45801 was published on 2023-12-13 and last updated on 2026-06-17.

References

http://www.nadatel.com/

Affected products (18)

cpe:2.3:o:nadatel:at-0402r_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nadatel:at-0815r_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nadatel:at-1623r_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nadatel:at-0402l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nadatel:at-0815l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nadatel:at-1623l_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nadatel:at-0402e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nadatel:at-0815e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nadatel:at-1623e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nadatel:at-0402m_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nadatel:at-0815m_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nadatel:at-1623m_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nadatel:at-0413m_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nadatel:at-0823m_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nadatel:at-1643m_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nadatel:at-0413s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nadatel:at-0823s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:nadatel:at-1643s_firmware:*:*:*:*:*:*:*:*

Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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