CVE-2024-3393

critical-risk
Published 2024-12-27

A Denial of Service vulnerability in the DNS Security feature of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to send a malicious packet through the data plane of the firewall that reboots the firewall. Repeated attempts to trigger this condition will cause the firewall to enter maintenance mode.

Do I need to act?

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77.7% chance of exploitation in next 30 days
EPSS score — higher than 22% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Paloaltonetworks

References (2)

Vendor Advisory https://security.paloaltonetworks.com/CVE-2024-3393
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-...
80
/ 100
critical-risk
Severity 26/34 · High
Exploitability 27/34 · High
Exposure 27/34 · High