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CVE Record

CVE-2024-52963: A out-of-bounds write in Fortinet FortiOS versions 7.6.0, 7.4.0 through 7.4.6, 7.2.0 through 7.2.10, 7.0.0...

A out-of-bounds write in Fortinet FortiOS versions 7.6.0, 7.4.0 through 7.4.6, 7.2.0 through 7.2.10, 7.0.0 through 7.0.16, 6.4.0 through 6.4.15 allows attacker to trigger a denial of service via specially crafted packets.

LowCVSS 3.5Not KEV-listedUpdated
Glexia's TakeAutomated analysislow

Security readout for executives and security teams

Plain-English summary

CVE-2024-52963 is a Fortinet memory handling flaw that can let a remote, unauthenticated attacker crash or disrupt affected devices using specially crafted packets. The documented impact is limited to availability, not data theft or takeover. Business urgency is highest where affected Fortinet systems protect critical network paths.

Executive priority

Treat as a controlled, near-term infrastructure maintenance item, not an emergency breach event. Prioritize systems where downtime would disrupt business operations. Confirm vendor fixes or workarounds before scheduling changes.

Technical view

The issue is a CWE-787 out-of-bounds write in affected Fortinet firmware. CVSS 3.1 score is 3.5, with network attack vector, high attack complexity, no privileges, no user interaction, and low availability impact. The source bundle lists FortiOS, FortiProxy, and FortiPAM affected version families, though the description emphasizes FortiOS.

Likely exposure

Exposure likely exists where listed Fortinet versions are deployed, especially internet-facing or perimeter devices. Affected FortiOS ranges include 7.6.0, 7.4.0-7.4.6, 7.2.0-7.2.10, 7.0.0-7.0.16, and 6.4.0-6.4.15. The bundle also lists FortiProxy and FortiPAM versions; confirm against Fortinet guidance.

Exploitation context

The source bundle does not show CISA KEV listing, and it provides no evidence of active exploitation. The CVSS vector includes functional exploit maturity, but exploitation requires high complexity and is described as causing denial of service only.

Researcher notes

Evidence is limited to denial of service from crafted packets. Do not assume code execution or data compromise from the provided sources. There is a product-scope inconsistency: the title emphasizes FortiOS, while affected data also lists FortiProxy and FortiPAM; validate against FG-IR-24-373.

Mitigation direction

  • Check Fortinet PSIRT FG-IR-24-373 for fixed versions and workarounds.
  • Prioritize remediation for internet-facing or business-critical Fortinet appliances.
  • Reduce unnecessary external exposure to affected management or service interfaces.
  • Monitor Fortinet and Siemens advisories for product-specific update guidance.
  • Plan maintenance windows for upgrades where vendor guidance identifies affected versions.

Validation and detection

  • Inventory FortiOS, FortiProxy, and FortiPAM versions in production.
  • Compare installed versions with the affected ranges in Fortinet’s advisory.
  • Identify devices exposed to untrusted networks or critical traffic paths.
  • Check monitoring for unexplained crashes, restarts, or packet-triggered service disruption.
  • Document compensating controls if immediate upgrade is not possible.
Prepared
Confidence
medium
Sources
4

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-787: 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-2024-52963 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
Low
CVSS
3.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:F/RL:W/RC:C

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
3Timeline events
2ADP providers
3Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical 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
3.5CVSS 3.1LowCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:F/RL:W/RC:C2.21.4fortinet

Vulnerability scoring details

Base CVSS 3.1 score

3.5Low
CVSS 3.1 vector shape for CVE-2024-52963Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:F/RL:W/RC:C

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. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

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

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc
siemens-SADPADP container
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
FortinetFortiProxy7.4.0, 7.2.0, 7.0.0, 2.0.0unaffected
FortinetFortiOS7.6.0, 7.4.0, 7.2.0, 7.0.0, 6.4.0unaffected
FortinetFortiPAM1.4.0, 1.3.0, 1.2.0, 1.1.0, 1.0.0unaffected
Weakness

CWE details

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

CWE-787 · source CWE mapping

Out-of-bounds Write

Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.