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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2017-15944

Palo Alto Networks PAN-OS Remote Code Execution Vulnerability

KEVEXPLOIT ×2 ✓CRITICAL 9.8EPSS 98.3%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 8 September 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Palo Alto Networks PAN-OS before 6.1.19, 7.0.x before 7.0.19, 7.1.x before 7.1.14, and 8.0.x before 8.0.6 allows remote attackers to execute arbitrary code via vectors involving the management interface.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
98.34% probability · 100th percentile
Public exploits
2 in Exploit-DB · verified · first 14 December 2017
CISA KEV
Listed 18 August 2022 · due 8 September 2022
Weakness
CWE-20, CWE-119
Affected
paloaltonetworks/pan-os
Source
cve@mitre.org
EPSS trend
0%50%100%27 October 2026: 98.34%27 October 202627 October 2026

EPSS 98.3% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://security.paloaltonetworks.com/CVE-2017-15944; https://nvd.nist.gov/vuln/detail/CVE-2017-15944

Public exploits (2)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-44597source ↗Palo Alto Networks - 'readSessionVarsFromFile()' Session Corruption (Metasploit)unix · Metasploitremote8 May 2018yes
EDB-43342source ↗Palo Alto Networks Firewalls - Root Remote Code Executionhardware · Philip Petterssonremote14 December 2017yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.