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CVE-2025-4227GlobalProtect App: Interception in Endpoint Traffic Policy Enforcement

Description

An improper access control vulnerability in the Endpoint Traffic Policy Enforcement https://docs.paloaltonetworks.com/globalprotect/6-0/globalprotect-app-new-features/new-features-released-in-gp-app/endpoint-traffic-policy-enforcement feature of the Palo Alto Networks GlobalProtect™ app allows certain packets to remain unencrypted instead of being properly secured within the tunnel. An attacker with physical access to the network can inject rogue devices to intercept these packets. Under normal operating conditions, the GlobalProtect app automatically recovers from this interception within one minute.

Timeline

  1. ID reserved

    By palo_alto

  2. · 42 days later

    Published

  3. · 10 days later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2025-4227, by who scored it
Scored byCVSSScoreVector
palo_altoCNA (assigner)4.0Low1.0CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/AU:N/R:U/V:D/RE:L/U:Green
NVDNVD · Analyzed4.0Low1.0CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:L/U:Green
EPSS (exploitation in 30 days)
0.17% · top 93% of all CVEs (14 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 1.0.

Affected products

What to do

Solution: 1. Upgrade the GlobalProtect App to one of the unaffected versions: Version Minor Version Suggested Solution GlobalProtect App 6.3 on Windows, macOS 6.3.3 6.3.0 through 6.3.2 No solution available. A 6.3.3 hotfix is planned. (ETA: 12 June 2025). Upgrade to 6.3.2-566 or later. GlobalProtect App 6.2 on Windows, macOS6.2.0 through 6.2.8-223Upgrade to 6.3.2-566 or later. A new hotfix for 6.2.8 is planned. (ETA: June 2025). GlobalProtect App 6.1 on Windows, macOSAllUpgrade to 6.3.2-566 or later. GlobalProtect App 6.0 on Windows, macOSAllUpgrade to 6.3.2-566 or later. GlobalProtect App on Linux, Android, iOS, Chrome OS, UWPAllNot applicable. 2. Ensure that "Endpoint Traffic Policy Enforcement" is set to “All Traffic” under the GlobalProtect App Configurations. * Network > GlobalProtect > Portals > (Open Portal configuration) > Agent tab > (Open Agent configuration) > App tab > App Configurations > Endpoint Traffic Policy Enforcement (Select: All Traffic) 3. GlobalProtect Portal: Enable "Allow Gateway Access from GlobalProtect Only" (Requires Content version 8977 or newer). This must be enabled in conjunction with "Endpoint Traffic Policy Enforcement" under the GlobalProtect App Configurations. * Network > GlobalProtect > Portals > (Open Portal configuration) > Agent tab > (Open Agent configuration) > App tab > App Configurations > Allow Gateway Access from GlobalProtect Only (Select: Yes) 4. Commit your configuration.

Workaround: Available Mitigation when solution interferes with Autonomous Digital Experience Management (ADEM) * ADEM https://docs.paloaltonetworks.com/autonomous-dem/administration/autonomous-dem functionality depends on ICMP probes that must be sent outside of the secure tunnel. When "Allow Gateway Access from GlobalProtect Only" is set to "Yes" and "Endpoint Traffic Policy Enforcement" is configured as "All Traffic," these ADEM https://docs.paloaltonetworks.com/autonomous-dem/administration/autonomous-dem probes will fail because they are forcefully transmitted through the encrypted tunnel rather than via their required direct path. * This issue can be addressed by changing "Endpoint Traffic Policy Enforcement" to "All TCP/UDP Traffic." This adjustment prevents interception of TCP and UDP traffic while allowing ADEM https://docs.paloaltonetworks.com/autonomous-dem/administration/autonomous-dem probes to function properly. However, this configuration still permits ICMP, and other non-TCP/UDP traffic to be intercepted.

Exploitation: Palo Alto Networks is not aware of any malicious exploitation of this issue.

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .