PAN-OS: User Impersonation in GlobalProtect SSL VPN

published 2024-04-10 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-31977

cvss: 4.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 28%
public exploits: 0; none known

A vulnerability in the GlobalProtect Gateway in Palo Alto Networks PAN-OS software enables an authenticated attacker to impersonate another user and send network packets to internal assets. However, this vulnerability does not allow the attacker to receive response packets from those internal assets.

Patch / fix

fixed in 2

Palo Alto Networks PAN-OS 8.1.26, 9.0.17-h4, 9.1.17, 10.1.11-h4, 10.2.7-h3, 11.0.3, 11.1.0
Palo Alto Networks Prisma Access 10.2.4

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-24-102-04 updated 2025-05-13 cvss 4.1

Siemens RUGGEDCOM APE1808

Siemens RUGGEDCOM APE1808
affected: vendor fix

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-04-15)

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
NVD	3.1	5.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N

Affected products

Palo Alto Networks PAN-OS
Palo Alto Networks Cloud NGFW
Palo Alto Networks Prisma Access

Classification

Weakness

CWE-269 Improper Privilege Management
CWE-863 Incorrect Authorization

Technology feeds

Palo Alto PAN-OS rss critical rss

References

security.paloaltonetworks.com /CVE-2024-3388
vendor-advisory

Sources

CVE List CVE-2024-3388
NVD CVE-2024-3388

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary