How severe is CVE-2019-7671?

CVE-2019-7671 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-7671 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-7671?

CVE-2019-7671 affects Primasystems Flexair. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-7671?

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-2019-7671 published?

CVE-2019-7671 was published on 2019-06-05 and last updated on 2026-06-17.

CVE-2019-7671

CVE-2019-7671 is a critical-severity vulnerability in Primasystems Flexair with a CVSS 3.x base score of 9.0. 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: Critical (CVSS 3.x base score 9.0)
CVSS v2: 3.5
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Primasystems Flexair
Published: 2019-06-05
Last modified: 2026-06-17

Description

Prima Systems FlexAir, Versions 2.3.38 and prior. Parameters sent to scripts are not properly sanitized before being returned to the user, which may allow an attacker to execute arbitrary code in a user’s browser session in context of an affected site.

Frequently asked questions

What is CVE-2019-7671?: Prima Systems FlexAir, Versions 2.3.38 and prior. Parameters sent to scripts are not properly sanitized before being returned to the user, which may allow an attacker to execute arbitrary code in a user’s browser session in context of an affected site.
How severe is CVE-2019-7671?: CVE-2019-7671 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-7671 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-7671?: CVE-2019-7671 affects Primasystems Flexair. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-7671?: 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-2019-7671 published?: CVE-2019-7671 was published on 2019-06-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:primasystems:flexair:*:*:*:*:*:*:*:*

More vulnerabilities in Primasystems Flexair

CVE-2019-7668 — Critical (CVSS 9.8): Prima Systems FlexAir devices have Default Credentials.
CVE-2019-7667 — Critical (CVSS 9.8): Prima Systems FlexAir, Versions 2.3.38 and prior. The application generates database backup files with a predictable…
CVE-2019-7669 — High (CVSS 8.8): Prima Systems FlexAir, Versions 2.3.38 and prior. Improper validation of file extensions when uploading files could…
CVE-2019-7666 — High (CVSS 8.8): Prima Systems FlexAir, Versions 2.3.38 and prior. The application allows improper authentication using the MD5 hash…
CVE-2019-7281 — High (CVSS 8.8): Prima Systems FlexAir, Versions 2.3.38 and prior. An unauthenticated user can send unverified HTTP requests, which may…
CVE-2019-7280 — High (CVSS 8.8): Prima Systems FlexAir, Versions 2.3.38 and prior. The session-ID is of an insufficient length and can be exploited by…

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