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CVE Record

CVE-2024-3385: PAN-OS: Firewall Denial of Service (DoS) when GTP Security is Disabled

A packet processing mechanism in Palo Alto Networks PAN-OS software enables a remote attacker to reboot hardware-based firewalls. Repeated attacks eventually cause the firewall to enter maintenance mode, which requires manual intervention to bring the firewall back online. This affects the following hardware firewall models: - PA-5400 Series firewalls - PA-7000 Series firewalls

HighCVSS 7.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This vulnerability can let an unauthenticated remote attacker crash certain Palo Alto Networks hardware firewalls. Repeated attacks can force the firewall into maintenance mode, requiring manual recovery. The business risk is loss of firewall availability, not data theft or system takeover based on the provided sources.

Executive priority

Treat this as a high-priority availability risk for affected perimeter firewalls. It does not indicate confirmed data compromise, but disruption could be serious because repeated attacks may require hands-on recovery before network protection returns.

Technical view

CVE-2024-3385 is a PAN-OS packet processing flaw affecting PA-5400 and PA-7000 Series hardware firewalls when GTP Security is disabled. The CVSS 3.1 score is 7.5 with network attack vector, low complexity, no privileges, no user interaction, and high availability impact. Listed weaknesses are CWE-20 and CWE-476.

Likely exposure

Exposure appears limited to Palo Alto Networks PA-5400 and PA-7000 Series hardware firewalls running affected PAN-OS branches. The bundle lists Cloud NGFW and Prisma Access as unaffected. The provided evidence does not define exact fixed releases or deployment prerequisites beyond GTP Security being disabled.

Exploitation context

The source bundle does not cite active exploitation, and KEV status is false. The attack is remote, unauthenticated, and availability-focused. Repeated attacks can move devices into maintenance mode, increasing operational impact because manual intervention is required to restore service.

Researcher notes

Evidence is sufficient for impact, affected hardware families, CVSS vector, and non-affected cloud products. It is incomplete for exact fixed releases, exploit-in-the-wild status beyond KEV=false, and detailed mitigations. Avoid assuming broader PAN-OS exposure without vendor confirmation.

Mitigation direction

  • Inventory PA-5400 and PA-7000 Series firewalls running affected PAN-OS branches.
  • Check Palo Alto Networks guidance for fixed releases or official mitigations.
  • Review whether GTP Security is disabled on affected hardware firewalls.
  • Prioritize remediation for internet-facing or high-traffic perimeter firewalls.
  • Prepare manual recovery procedures for maintenance-mode firewall events.

Validation and detection

  • Confirm device model, PAN-OS branch, and GTP Security configuration.
  • Verify Cloud NGFW and Prisma Access assets are excluded from remediation scope.
  • Review firewall logs for unexplained reboots or maintenance-mode transitions.
  • Check vendor advisory for affected and fixed version details.
  • Validate operational runbooks cover firewall reboot and manual recovery scenarios.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-20: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cwe · low confidence lookup

CWE-476: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2024-3385 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.5 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
4Timeline events
2ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: partial

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6palo_alto

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2024-3385Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. Source timelinepalo_alto

    Initial publication

  3. CVE publishedCVE Program

    The CVE record was published.

  4. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CVECVE Program Container
CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Palo Alto NetworksPAN-OS9.0.0, 9.1.0, 10.1.0, 10.2.0, 11.0.0, 11.1.0unaffected
Palo Alto NetworksCloud NGFWAllunaffected
Palo Alto NetworksPrisma AccessAllunaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-20 · source CWE mapping

Improper Input Validation

Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

CWE-476 · source CWE mapping

NULL Pointer Dereference

NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.