High severity · published Dec 27, 2024
CVE-2024-3393
PAN-OS: Firewall Denial of Service (DoS) in DNS Security Using a Specially Crafted Packet
In wildKEV
7.5
CVSS
29.1%
EPSS
Yes
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)29.1% · higher than 98% of CVEs
Exploited in the wildYes
CISA KEVListed Dec 30, 2024
Federal remediation dueJan 20, 2025
Ransomware campaign useNot known
Affected products
Which versions
PA
PAN-OS · Palo Alto Networks
11.2.0 before 11.2.3; 11.1.0 before 11.1.2-h16; 10.2.8 before 10.2.8-h19; 10.1.14 before 10.1.14-h8; 11.2.0 before 11.2.3 · source: vendor, NVD, KEV
PA
Prisma Access · Paloaltonetworks
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-3393
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-3393
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
vendor-advisory
https://security.paloaltonetworks.com/CVE-2024-3393
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