What is CVE-2019-1579?

CVE-2019-1579 is a high-severity vulnerability in Paloaltonetworks Pan-Os, classified under Use of Externally-Controlled Format String. CVSS score: 8.1/10. Published 2019-07-19.

How severe is CVE-2019-1579?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2019-1579 known to be exploited?

Yes. CVE-2019-1579 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-01-10), indicating it is being actively exploited. 13 public proof-of-concept repositories are indexed.

Vulnerability in Paloaltonetworks Pan-Os

CVE-2019-1579

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 arbitrary code.

Published 2019-07-19 · last modified 2026-10-02.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.462 (98.8th percentile), scored 2026-10-18.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.462 · newest: 0.462 · change: 0.000

Affected products

Paloaltonetworks Pan-Os
Palo Alto Networks Globalprotect Portal/gateway Interface — versions PAN-OS 7.1.18 and earlier, PAN-OS 8.0.11 and earlier, and PAN-OS 8.1.2 and earlier releases

Weakness classification (CWE)

CWE-134 — Use of Externally-Controlled Format String

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-01-10. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-07-10.

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

www.securityfocus.com/bid/109310 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010 (Third Party Advisory, Broken Link)
devco.re/blog/2019/07/17/attacking-ssl-vpn-part-1-PreAuth-RCE-on-Palo-Alto-Glob… (Exploit, Third Party Advisory)
security.paloaltonetworks.com/CVE-2019-1579 (Vendor Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2019-1579?: CVE-2019-1579 is a high-severity vulnerability in Paloaltonetworks Pan-Os, classified under Use of Externally-Controlled Format String. CVSS score: 8.1/10. Published 2019-07-19.
How severe is CVE-2019-1579?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2019-1579 known to be exploited?: Yes. CVE-2019-1579 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-01-10), indicating it is being actively exploited. 13 public proof-of-concept repositories are indexed.