{"id":"CVE-2024-3382","state":"PUBLISHED","title":"PAN-OS: Firewall Denial of Service (DoS) via a Burst of Crafted Packets","description":"A memory leak exists in Palo Alto Networks PAN-OS software that enables an attacker to send a burst of crafted packets through the firewall that eventually prevents the firewall from processing traffic. This issue applies only to PA-5400 Series devices that are running PAN-OS software with the SSL Forward Proxy feature enabled.","publishedAt":"2024-04-10T17:05:47.325Z","updatedAt":"2026-05-13T20:16:14.103Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"palo_alto"},"assigner":"palo_alto","products":["Palo Alto Networks PAN-OS","Palo Alto Networks Cloud NGFW","Palo Alto Networks Prisma Access"],"affected":[{"vendor":"Palo Alto Networks","product":"PAN-OS","defaultStatus":"unaffected","versions":[{"version":"9.0.0","status":"unaffected"},{"version":"9.1.0","status":"unaffected"},{"version":"10.1.0","status":"unaffected"},{"version":"10.2.0","status":"affected","lessThan":"10.2.7-h3","changes":[{"at":"10.2.7-h3","status":"unaffected"}],"versionType":"custom"},{"version":"11.0.0","status":"affected","lessThan":"11.0.4","changes":[{"at":"11.0.4","status":"unaffected"}],"versionType":"custom"},{"version":"11.1.0","status":"affected","lessThan":"11.1.2","changes":[{"at":"11.1.2","status":"unaffected"}],"versionType":"custom"}]},{"vendor":"Palo Alto Networks","product":"Cloud NGFW","defaultStatus":"unaffected","versions":[{"version":"All","status":"unaffected"}]},{"vendor":"Palo Alto Networks","product":"Prisma Access","defaultStatus":"unaffected","versions":[{"version":"All","status":"unaffected"}]}],"references":["https://security.paloaltonetworks.com/CVE-2024-3382"],"weaknesses":["CWE-770"],"ingestedAt":"2026-10-29T20:07:39.287Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/3xxx/CVE-2024-3382.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-3382","state":"PUBLISHED","datePublished":"2024-04-10T17:05:47.325Z","dateUpdated":"2026-05-13T20:16:14.103Z","assignerShortName":"palo_alto","assignerOrgId":"d6c1279f-00f6-4ef7-9217-f89ffe703ec0","dateReserved":"2024-04-05T17:40:15.104Z"},"containers":{"cna":{"title":"PAN-OS: Firewall Denial of Service (DoS) via a Burst of Crafted Packets","descriptions":[{"lang":"en","value":"A memory leak exists in Palo Alto Networks PAN-OS software that enables an attacker to send a burst of crafted packets through the firewall that eventually prevents the firewall from processing traffic. This issue applies only to PA-5400 Series devices that are running PAN-OS software with the SSL Forward Proxy feature enabled."}],"affected":[{"vendor":"Palo Alto Networks","product":"PAN-OS","defaultStatus":"unaffected","versions":[{"version":"9.0.0","status":"unaffected"},{"version":"9.1.0","status":"unaffected"},{"version":"10.1.0","status":"unaffected"},{"version":"10.2.0","status":"affected","lessThan":"10.2.7-h3","changes":[{"at":"10.2.7-h3","status":"unaffected"}],"versionType":"custom"},{"version":"11.0.0","status":"affected","lessThan":"11.0.4","changes":[{"at":"11.0.4","status":"unaffected"}],"versionType":"custom"},{"version":"11.1.0","status":"affected","lessThan":"11.1.2","changes":[{"at":"11.1.2","status":"unaffected"}],"versionType":"custom"}]},{"vendor":"Palo Alto Networks","product":"Cloud NGFW","defaultStatus":"unaffected","versions":[{"version":"All","status":"unaffected"}]},{"vendor":"Palo Alto Networks","product":"Prisma Access","defaultStatus":"unaffected","versions":[{"version":"All","status":"unaffected"}]}],"references":[{"url":"https://security.paloaltonetworks.com/CVE-2024-3382"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-770","description":"CWE-770 Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"palo_alto","orgId":"d6c1279f-00f6-4ef7-9217-f89ffe703ec0","dateUpdated":"2024-04-10T17:05:47.325Z"},"configurations":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"This issue applies only to PA-5400 Series devices that are running PAN-OS firewall configurations with the SSL Forward Proxy feature enabled. You can verify whether you have the SSL Forward Proxy feature enabled by checking for decryption policy rules in your firewall web interface (Policies > Decryption)."}],"value":"This issue applies only to PA-5400 Series devices that are running PAN-OS firewall configurations with the SSL Forward Proxy feature enabled. You can verify whether you have the SSL Forward Proxy feature enabled by checking for decryption policy rules in your firewall web interface (Policies > Decryption)."}],"credits":[{"lang":"en","type":"finder","value":"Palo Alto Networks thanks Celedonio Albarran of Equity Residential and their Infrastructure and Security teams for discovering and reporting this issue."}],"datePublic":"2024-04-10T16:00:00.000Z","exploits":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Palo Alto Networks is not aware of any malicious exploitation of this issue.<br>"}],"value":"Palo Alto Networks is not aware of any malicious exploitation of this issue.\n"}],"impacts":[{"capecId":"CAPEC-131","descriptions":[{"lang":"en","value":"CAPEC-131 Resource Leak Exposure"}]}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"This issue is fixed in PAN-OS 10.2.7-h3, PAN-OS 11.0.4, PAN-OS 11.1.2, and all later PAN-OS versions.<br>"}],"value":"This issue is fixed in PAN-OS 10.2.7-h3, PAN-OS 11.0.4, PAN-OS 11.1.2, and all later PAN-OS versions.\n"}],"source":{"defect":["PAN-234921"],"discovery":"USER"},"timeline":[{"lang":"en","time":"2024-04-10T16:00:00.000Z","value":"Initial publication"}],"workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"You can mitigate this issue by disabling decryption on your firewalls. To temporarily disable SSL Decryption, refer to the administrator’s guide for your PAN-OS software (such as PAN-OS 11.1: <a target=\"_blank\" rel=\"nofollow\" href=\"https://docs.paloaltonetworks.com/pan-os/11-1/pan-os-admin/decryption/temporarily-disable-ssl-decryption)\">https://docs.paloaltonetworks.com/pan-os/11-1/pan-os-admin/decryption/temporarily-disable-ssl-decryption)</a>. Additionally, to ensure that decryption remains disabled after a reboot, configure a policy-based decryption exclusion that excludes all traffic from being decrypted (<a target=\"_blank\" rel=\"nofollow\" href=\"https://docs.paloaltonetworks.com/pan-os/11-1/pan-os-admin/decryption/decryption-exclusions/create-a-policy-based-decryption-exclusion)\">https://docs.paloaltonetworks.com/pan-os/11-1/pan-os-admin/decryption/decryption-exclusions/create-a-policy-based-decryption-exclusion)</a>.<br>"}],"value":"You can mitigate this issue by disabling decryption on your firewalls. To temporarily disable SSL Decryption, refer to the administrator’s guide for your PAN-OS software (such as PAN-OS 11.1:  https://docs.paloaltonetworks.com/pan-os/11-1/pan-os-admin/decryption/temporarily-disable-ssl-decryption) . Additionally, to ensure that decryption remains disabled after a reboot, configure a policy-based decryption exclusion that excludes all traffic from being decrypted ( https://docs.paloaltonetworks.com/pan-os/11-1/pan-os-admin/decryption/decryption-exclusions/create-a-policy-based-decryption-exclusion) .\n"}],"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-08-15T13:26:03.328273Z","id":"CVE-2024-3382","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-13T20:16:14.103Z"}},{"title":"CVE Program Container","references":[{"url":"https://security.paloaltonetworks.com/CVE-2024-3382","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-01T20:12:06.637Z"}}]}}}