high Known exploitedREV. 01

CVE-2024-3393Palo Alto PAN-OS — crafted lookup packet reboots the device

A malicious packet through the data plane of Palo Alto Networks firewall software (PAN-OS) makes its name resolution security feature reboot the device; repeated attempts leave it in maintenance mode.

YOUR NEXT MOVE

Patch PAN-OS per Palo Alto's advisory now; until then treat repeated unexplained reboots as an attack rather than a hardware fault.

Read the risk

THE VITAL STATS
CVSS score
7.5/ 10
CVSS v3.1
EPSS probability
28%
Likelihood of exploitation
Attack complexity
Low
Conditions needed to exploit
Known exploited
Yes — CISA KEV
CVE published
2024-12-27
Added to KEV
2024-12-30
Exploit published
Not recorded
Confidence
high
Kill chain
impact
MITRE ATT&CK
—
Severity
high

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

Attacker needsThe ability to send a crafted packet through the data plane; no credentials needed.

Behind the card

3 REFERENCES
Field-level provenanceTRACE THE SOURCES +

Which source supports each field, when it was retrieved, and who extracted it.

FieldsSourceRetrievedExtractorConfidence
cvss, exploitation.attack_complexity, exploitation.exploit_available, references, published_atnvd.nist.gov2026-09-24scrty-crds-pipeline/0.1high
exploitation.known_exploited, exploitation.kev_addedcisa.gov2026-09-24scrty-crds-pipeline/0.1high
epssapi.first.org2026-09-24scrty-crds-pipeline/0.1high
title, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisitesnvd.nist.gov2026-09-24claude-codehigh

Printing history

THE RECORD
  1. r1Initial base card

First printing. This card has not been reprinted since publication.

crds:cve-2024-3393 · CRDS 0.1 · Issued 2026-09-24