How severe is CVE-2017-7919?

CVE-2017-7919 has a CVSS 3.x base score of 9.8, 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 high.

Is CVE-2017-7919 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7919?

CVE-2017-7919 primarily affects Newport Xps-cx Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-7919?

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-2017-7919 published?

CVE-2017-7919 was published on 2017-07-03 and last updated on 2026-06-17.

CVE-2017-7919

CVE-2017-7919 is a critical-severity vulnerability in Newport Xps-cx Firmware with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Newport Xps-cx Firmware
Published: 2017-07-03
Last modified: 2026-06-17

Description

An Improper Authentication issue was discovered in Newport XPS-Cx and XPS-Qx. An attacker may bypass authentication by accessing a specific uniform resource locator (URL).

Frequently asked questions

What is CVE-2017-7919?: An Improper Authentication issue was discovered in Newport XPS-Cx and XPS-Qx. An attacker may bypass authentication by accessing a specific uniform resource locator (URL).
How severe is CVE-2017-7919?: CVE-2017-7919 has a CVSS 3.x base score of 9.8, 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 high.
Is CVE-2017-7919 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7919?: CVE-2017-7919 primarily affects Newport Xps-cx Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-7919?: 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-2017-7919 published?: CVE-2017-7919 was published on 2017-07-03 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:newport:xps-cx_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:newport:xps-qx_firmware:-:*:*:*:*:*:*:*

Other CWE-287 (Improper Authentication) vulnerabilities

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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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