How severe is CVE-2017-16843?

CVE-2017-16843 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-16843 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-16843?

CVE-2017-16843 affects Vonage Vdv-23 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-16843?

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

When was CVE-2017-16843 published?

CVE-2017-16843 was published on 2017-11-16 and last updated on 2026-06-17.

CVE-2017-16843

CVE-2017-16843 is a medium-severity vulnerability in Vonage Vdv-23 Firmware with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Vonage Vdv-23 Firmware
Published: 2017-11-16
Last modified: 2026-06-17

Description

Vonage VDV-23 115 3.2.11-0.9.40 devices have stored XSS via the NewKeyword or NewDomain field to /goform/RgParentalBasic.

Frequently asked questions

What is CVE-2017-16843?: Vonage VDV-23 115 3.2.11-0.9.40 devices have stored XSS via the NewKeyword or NewDomain field to /goform/RgParentalBasic.
How severe is CVE-2017-16843?: CVE-2017-16843 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-16843 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-16843?: CVE-2017-16843 affects Vonage Vdv-23 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-16843?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-16843 published?: CVE-2017-16843 was published on 2017-11-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:vonage:vdv-23_firmware:3.2.11-0.9.40:*:*:*:*:*:*:*

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