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PatchSiren cyber security CVE debrief

CVE-2017-5328 Paloaltonetworks CVE debrief

CVE-2017-5328 is a high-severity vulnerability in Palo Alto Networks Terminal Services Agent. According to the NVD record, versions before 7.0.7 are affected, and attackers may be able to spoof arbitrary users through unspecified vectors. The supplied NVD data rates the issue CVSS 7.5 (HIGH) with network attack complexity low and no user interaction required.

Vendor
Paloaltonetworks
Product
Terminal Services Agent
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2017-01-27
Original CVE updated
2026-05-13
Advisory published
2017-01-27
Advisory updated
2026-05-13

Who should care

Administrators and security teams running Palo Alto Networks Terminal Services Agent, especially where user identity or session attribution influences access control, monitoring, or audit logging.

Technical summary

The supplied NVD entry identifies Palo Alto Networks Terminal Services Agent as vulnerable through version 7.0.6, with the fixed boundary at 7.0.7. The described impact is user spoofing / arbitrary user impersonation. NVD assigns CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N and does not provide a specific CWE beyond NVD-CWE-noinfo.

Defensive priority

High. The issue enables identity spoofing and is remotely reachable with no privileges or user interaction per the supplied CVSS vector, so affected deployments should prioritize verification and upgrade planning.

Recommended defensive actions

  • Confirm whether Palo Alto Networks Terminal Services Agent is deployed in your environment and identify versions at or below 7.0.6.
  • Upgrade to version 7.0.7 or later, as indicated by the supplied vulnerability description.
  • Review any workflows that depend on Terminal Services Agent user attribution, because the issue may affect identity trust and audit accuracy.
  • Use the vendor advisory and NVD record to validate your remediation scope and affected assets.
  • If immediate upgrading is not possible, apply compensating controls that reduce reliance on unauthenticated or automatically attributed user identity data.

Evidence notes

This debrief is based only on the supplied NVD record and linked vendor reference metadata. The source states: "Palo Alto Networks Terminal Services Agent before 7.0.7 allows attackers to spoof arbitrary users via unspecified vectors." NVD also lists the vulnerable CPE range ending at 7.0.6 and assigns CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. No specific CWE is provided in the supplied data, so the description remains at the level of spoofing/user impersonation without adding unsupported technical detail.

Sources and references

Verified primary and authoritative sources

  • CVE-2017-5328 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2017-5328

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2017-5328 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2017-5328

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.