Threats / Palo Alto Networks / CVE-2017-15944
CVE-2017-15944
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Palo Alto Networks PAN-OS vulnerability
Palo Alto Networks PAN-OS contains multiple unspecified vulnerabilities that enable remote code execution when chained together.
Verdict
Today item — known-exploited.
Active exploitation in the wild with high exploitability (EPSS 0.94). Chained vulnerabilities in PAN-OS allow unauthenticated remote code execution, posing critical risk to firewall infrastructure and network perimeter security.
01
Is it exploitable?
— the evidence, ranked above the scoreExploit available
Fully weaponized — public exploit code is cataloged for this vulnerability.We link the existence of the exploit; we do not host or redistribute payloads.
Reported exploitation
721 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-08-18).
Probability (EPSS)
EPSS 0.9834 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Palo Alto Networks, PAN-OS. Confirm exact fixed builds in the vendor advisory.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I identify and chain multiple PAN-OS vulnerabilities to bypass authentication or input validation controls.
Business
Firewall perimeter defenses are compromised, enabling direct network intrusion and lateral movement into protected infrastructure.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I execute arbitrary code on the compromised PAN-OS device with firewall privileges.
Business
Attackers gain control of critical security infrastructure, allowing traffic inspection bypass, data exfiltration, and network manipulation.
3
Lateral reach — past segmentation narrative 3
Attacker
I establish persistence and pivot through the network using the compromised firewall as an internal foothold.
Business
Enterprise network segmentation fails; attackers access internal systems, databases, and sensitive assets behind the firewall.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05