Background exploitation KEV catalog Ransomware No authentication

CVE-2019-1579

Palo Alto Networks PAN-OS Remote Code Execution Vulnerability

Remote Code Execution in PAN-OS 7.1.18 and earlier, PAN-OS 8.0.11-h1 and earlier, and PAN-OS 8.1.2 and earlier with GlobalProtect Portal or GlobalProtect Gateway Interface enabled may allow an unauthenticated remote attacker to execute…

CheckOps priority index

7.6/10 Patch within 7 days

Severity8.1

Probability4.4

Exploitation5/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 44.2% higher than 98.8% of CVEs

CVSS 3.1 8.1 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:

Exploited for 1,758 days 10 Jan 2022

CISA due date 10 Jul 2022 for US federal agencies

Exploitation probability EPSS · FIRST

EPSS probability (%)Percentile among all CVEs

Exploitation signals 5 / 5

KEV catalog (CISA)10 Jan 2022
Exploited in EUVD (ENISA)10 Jan 2022
Used by ransomwareyes
EPSS above 10 %44.2%
No account, over the networkyes

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply updates per vendor instructions.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Description ENISA EUVD

Affected products

Palo Alto Networks GlobalProtect Portal/Gateway InterfacePAN-OS

Affected versions

PAN-OS 7.1.18 and earlier, PAN-OS 8.0.11 and earlier, and PAN-OS 8.1.2 and earlier releases

Weaknesses (CWE)

CWE-134

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

19 Jul 2019
Published
10 Jan 2022
Exploitation reported (ENISA)
10 Jan 2022
Added to the KEV catalog
10 Jul 2022
CISA remediation due date
26 Sept 2026
EPSS peak: 46.2%

References

Other exploited vulnerabilities from the same vendor

CVE-2026-0322Palo Alto Networks PAN-OS Code Injection Vulnerability
4.7 · Rising fast
CVE-2026-0257Palo Alto Networks PAN-OS Authentication Bypass Vulnerability
9.0 · Actively exploited
CVE-2026-0300Palo Alto Networks PAN-OS Out-of-bounds Write Vulnerability
7.4 · Background exploitation
CVE-2025-0111Palo Alto Networks PAN-OS File Read Vulnerability
4.1 · Background exploitation
CVE-2025-0108Palo Alto Networks PAN-OS Authentication Bypass Vulnerability
8.9 · Background exploitation
CVE-2024-3393Palo Alto Networks PAN-OS Malicious DNS Packet Vulnerability
6.8 · Background exploitation