Security readout for executives and security teams
Plain-English summary
A logged-in PAN-OS administrator with a low-privilege custom role could potentially become superuser because of an authentication-check flaw. This is serious because PAN-OS controls security appliances; superuser access can change policy, inspect configuration, and disrupt operations. The issue is limited to authenticated custom-role users on specified PAN-OS versions.
Executive priority
Treat as high priority for firewall and security-management environments, especially where delegated administrators exist. The flaw can turn limited administrative access into full control, so remediation should be tracked as a privileged-access risk rather than a routine software hygiene item.
Technical view
CVE-2019-17437 is CWE-280 in PAN-OS. CVSS 3.1 is 7.8 with local attack vector, low complexity, low privileges, no user interaction, and high confidentiality, integrity, and availability impact. Affected branches are 7.1 before 7.1.25, 8.0 before 8.0.20, 8.1 before 8.1.11, and 9.0 before 9.0.5.
Likely exposure
Exposure is likely where PAN-OS runs an affected branch and has non-superuser accounts using custom roles. Internet exposure alone is not the key condition in the provided CVSS vector; the documented prerequisite is authenticated low-privileged access. PAN-OS 7.0 and earlier EOL versions were not evaluated in the provided advisory data.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The practical risk is insider misuse or compromise of a low-privileged custom-role administrator account, followed by privilege escalation to superuser on affected PAN-OS versions.
Researcher notes
Evidence is limited to the CVE record and Palo Alto Networks advisory reference. The vulnerability is an improper authentication check affecting custom-role privilege boundaries. The CVSS local vector indicates an authenticated local administrative context, not unauthenticated remote compromise. No exploit maturity details are provided in the bundle.
Mitigation direction
- Upgrade affected PAN-OS branches to versions not listed as vulnerable by Palo Alto Networks.
- Prioritize systems with custom-role non-superuser administrator accounts.
- Review vendor advisory guidance before choosing compensating controls.
- Remove unnecessary custom-role admin accounts until remediation is complete.
- Use least privilege and strong authentication for all PAN-OS administrative users.
Validation and detection
- Inventory PAN-OS devices and record exact branch and maintenance version.
- Identify custom-role non-superuser administrator accounts on each device.
- Confirm no device runs 7.1 before 7.1.25.
- Confirm no device runs 8.0 before 8.0.20, 8.1 before 8.1.11, or 9.0 before 9.0.5.
- Review administrator role assignments for unexpected superuser status changes.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-280: Exact CWE lookup
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Open ATT&CK lookupCVE-2019-17437 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://securityadvisories.paloaltonetworks.com/Home/Detail/159CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Handling of Insufficient Permissions or Privileges
Improper Handling of Insufficient Permissions or Privileges represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.