Loading vulnerability…
CVE-2024-3393 is a high-severity denial-of-service vulnerability in the DNS Security feature of Palo Alto Networks PAN-OS. An unauthenticated remote attacker can trigger the flaw by sending specially crafted DNS packets through the firewall data plane. On affected systems, malformed DNS traffic processed while DNS Security logging is enabled can cause a data plane failure that forces the firewall to reboot; repeated triggering can drive the device into maintenance mode. The issue affects PAN-OS deployments using vulnerable 10.1, 10.2, 11.1, and 11.2 releases, as well as affected Prisma Access deployments, when DNS Security or Advanced DNS Security licensing is enabled and DNS Security logging is active. The weakness has been associated with improper handling of unusual or exceptional conditions during DNS packet processing and logging.
Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A PAN-OS denial-of-service vulnerability affecting Palo Alto Networks PAN-OS and Prisma Access deployments.
High-severity unauthenticated network-triggered Denial of Service in Palo Alto Networks PAN-OS DNS Security inspection/logging path that can crash the data plane, forcing firewall reboot and potentially maintenance mode, disabling security enforcement.
PAN-OS denial-of-service vulnerability reportedly exploited to force affected Palo Alto firewalls to reboot and disable protections when DNS Security logging is enabled.
High-severity unauthenticated Denial-of-Service vulnerability in Palo Alto Networks PAN-OS DNS Security feature where malformed DNS packets can crash/reboot the firewall repeatedly, potentially forcing maintenance mode and causing loss of availability.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.