How severe is CVE-2023-3705?

CVE-2023-3705 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-2023-3705 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3705?

CVE-2023-3705 primarily affects Cpplusworld Cp-vnr-3104 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-2023-3705?

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-2023-3705 published?

CVE-2023-3705 was published on 2023-08-24 and last updated on 2026-06-17.

CVE-2023-3705

CVE-2023-3705 is a high-severity vulnerability in Cpplusworld Cp-vnr-3104 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Cpplusworld Cp-vnr-3104 Firmware
Published: 2023-08-24
Last modified: 2026-06-17

Description

The vulnerability exists in CP-Plus NVR due to an improper input handling at the web-based management interface of the affected product. An unauthenticated remote attacker could exploit this vulnerability by sending specially crafted HTTP requests to the vulnerable device. Successful exploitation of this vulnerability could allow the remote attacker to obtain sensitive information on the targeted device.

Frequently asked questions

What is CVE-2023-3705?: The vulnerability exists in CP-Plus NVR due to an improper input handling at the web-based management interface of the affected product. An unauthenticated remote attacker could exploit this vulnerability by sending specially crafted HTTP requests to the vulnerable device. Successful exploitation of this vulnerability could allow the remote attacker to obtain sensitive information on the targeted device.
How severe is CVE-2023-3705?: CVE-2023-3705 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-2023-3705 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3705?: CVE-2023-3705 primarily affects Cpplusworld Cp-vnr-3104 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-2023-3705?: 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-2023-3705 published?: CVE-2023-3705 was published on 2023-08-24 and last updated on 2026-06-17.

References

https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2023-0239

Affected products (3)

cpe:2.3:o:cpplusworld:cp-vnr-3104_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cpplusworld:cp-vnr-3108_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cpplusworld:cp-vnr-3208_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Cpplusworld Cp-vnr-3104 Firmware

CVE-2024-54848 — High (CVSS 7.4): Improper handling and storage of certificates in CP Plus CP-VNR-3104 B3223P22C02424 allow attackers to decrypt…
CVE-2024-54849 — Medium (CVSS 5.9): An issue in CP Plus CP-VNR-3104 B3223P22C02424 allows attackers to obtain the second RSA private key and access…
CVE-2024-54847 — Medium (CVSS 5.9): An issue in CP Plus CP-VNR-3104 B3223P22C02424 allows attackers to access the Diffie-Hellman (DH) parameters and access…
CVE-2024-54846 — Medium (CVSS 5.9): An issue in CP Plus CP-VNR-3104 B3223P22C02424 allows attackers to obtain the EC private key and access sensitive data…

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