How severe is CVE-2019-17437?

CVE-2019-17437 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-17437 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-17437?

CVE-2019-17437 affects Paloaltonetworks Pan-os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-17437?

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-2019-17437 published?

CVE-2019-17437 was published on 2019-12-05 and last updated on 2026-06-17.

CVE-2019-17437

CVE-2019-17437 is a high-severity vulnerability in Paloaltonetworks Pan-os with a CVSS 3.x base score of 7.8. 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: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Paloaltonetworks Pan-os
Published: 2019-12-05
Last modified: 2026-06-17

Description

An improper authentication check in Palo Alto Networks PAN-OS may allow an authenticated low privileged non-superuser custom role user to elevate privileges and become superuser. This issue affects PAN-OS 7.1 versions prior to 7.1.25; 8.0 versions prior to 8.0.20; 8.1 versions prior to 8.1.11; 9.0 versions prior to 9.0.5. PAN-OS version 7.0 and prior EOL versions have not been evaluated for this issue.

Frequently asked questions

What is CVE-2019-17437?: An improper authentication check in Palo Alto Networks PAN-OS may allow an authenticated low privileged non-superuser custom role user to elevate privileges and become superuser. This issue affects PAN-OS 7.1 versions prior to 7.1.25; 8.0 versions prior to 8.0.20; 8.1 versions prior to 8.1.11; 9.0 versions prior to 9.0.5. PAN-OS version 7.0 and prior EOL versions have not been evaluated for this issue.
How severe is CVE-2019-17437?: CVE-2019-17437 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-17437 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-17437?: CVE-2019-17437 affects Paloaltonetworks Pan-os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-17437?: 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-2019-17437 published?: CVE-2019-17437 was published on 2019-12-05 and last updated on 2026-06-17.

References

https://securityadvisories.paloaltonetworks.com/Home/Detail/159

Affected products (1)

cpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*

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Other CWE-287 (Improper Authentication) vulnerabilities

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