How severe is CVE-2023-3704?

CVE-2023-3704 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-3704 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-3704?

CVE-2023-3704 primarily affects Cpplusworld Cp-uvr-1601e1-hc Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-3704?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-3704 published?

CVE-2023-3704 was published on 2023-08-24 and last updated on 2026-06-17.

CVE-2023-3704

CVE-2023-3704 is a medium-severity vulnerability in Cpplusworld Cp-uvr-1601e1-hc Firmware with a CVSS 3.x base score of 5.3. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cpplusworld Cp-uvr-1601e1-hc Firmware
Published: 2023-08-24
Last modified: 2026-06-17

Description

The vulnerability exists in CP-Plus DVR due to an improper input validation within the web-based management interface of the affected products. 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 change system time of the targeted device.

Frequently asked questions

What is CVE-2023-3704?: The vulnerability exists in CP-Plus DVR due to an improper input validation within the web-based management interface of the affected products. 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 change system time of the targeted device.
How severe is CVE-2023-3704?: CVE-2023-3704 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-3704 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-3704?: CVE-2023-3704 primarily affects Cpplusworld Cp-uvr-1601e1-hc Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-3704?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-3704 published?: CVE-2023-3704 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-2023-0240

Affected products (9)

cpe:2.3:o:cpplusworld:cp-uvr-1601e1-hc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cpplusworld:cp-uvr-0401l1-4kh_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cpplusworld:cp-uvr-0401l1b-4kh_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cpplusworld:cp-uvr-0801f1-hc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cpplusworld:cp-uvr-0801k1-h_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cpplusworld:cp-uvr-0801k1b-h_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cpplusworld:cp-uvr-0808k1-h_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cpplusworld:cp-uvr-1601e1-h_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cpplusworld:cp-uvr-1601e2-h_firmware:*:*:*:*:*:*:*:*

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