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CVE Record

CVE-2024-35276: A stack-based buffer overflow vulnerability in Fortinet FortiAnalyzer 7.4.0 through 7.4.3, FortiAnalyzer 7....

A stack-based buffer overflow vulnerability in Fortinet FortiAnalyzer 7.4.0 through 7.4.3, FortiAnalyzer 7.2.0 through 7.2.5, FortiAnalyzer 7.0.0 through 7.0.12, FortiAnalyzer 6.4.0 through 6.4.14, FortiAnalyzer Cloud 7.4.1 through 7.4.3, FortiAnalyzer Cloud 7.2.1 through 7.2.5, FortiAnalyzer Cloud 7.0.1 through 7.0.11, FortiAnalyzer Cloud 6.4 all versions, FortiManager 7.4.0 through 7.4.3, FortiManager 7.2.0 through 7.2.5, FortiManager 7.0.0 through 7.0.12, FortiManager 6.4.0 through 6.4.14, FortiManager Cloud 7.4.1 through 7.4.3, FortiManager Cloud 7.2.1 through 7.2.5, FortiManager Cloud 7.0.1 through 7.0.11, FortiManager Cloud 6.4 all versions allows attacker to execute unauthorized code or commands via specially crafted packets.

MediumCVSS 5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Fortinet FortiManager and FortiAnalyzer versions listed in the CVE have a stack-based buffer overflow that can let an unauthenticated network attacker run unauthorized code or commands using specially crafted packets. The CVSS score is medium, but these products often manage security infrastructure, so exposed or business-critical deployments deserve prompt attention.

Executive priority

Treat this as a near-term remediation item, especially where Fortinet management platforms are exposed or operationally critical. It is not KEV-listed in the supplied data, but unauthenticated network code execution risk on security management infrastructure warrants focused tracking.

Technical view

CVE-2024-35276 is CWE-121 stack-based buffer overflow affecting FortiManager, FortiManager Cloud, FortiAnalyzer, and FortiAnalyzer Cloud across 6.4, 7.0, 7.2, and 7.4 ranges listed by Fortinet/CVE. The vector is network, no privileges, no user interaction, high attack complexity, unchanged scope, and low confidentiality, integrity, and availability impact.

Likely exposure

Exposure is limited to organizations running the affected FortiManager or FortiAnalyzer product/version ranges, including listed Cloud variants. Internet-reachable management or collector interfaces would increase concern, but the supplied sources do not identify specific exposed ports or deployment prerequisites.

Exploitation context

The CVSS vector marks exploit code maturity as proof-of-concept, but CISA KEV status is false in the supplied bundle. There is no source-backed evidence here of active exploitation. The vulnerability requires specially crafted packets and high attack complexity.

Researcher notes

Evidence is limited to CVE metadata and Fortinet PSIRT reference data. The sources identify affected version ranges and impact, but do not provide packet details, affected interfaces, or exploit prerequisites beyond high attack complexity. Avoid assuming active exploitation without additional source confirmation.

Mitigation direction

  • Check Fortinet FG-IR-24-165 for the vendor-approved upgrade or remediation path.
  • Prioritize affected FortiManager and FortiAnalyzer systems that are externally reachable or centrally manage security controls.
  • Confirm FortiManager Cloud and FortiAnalyzer Cloud tenant remediation status with Fortinet support or service notices.
  • Limit access to affected management services to trusted administrative networks while applying vendor guidance.

Validation and detection

  • Inventory FortiManager, FortiAnalyzer, FortiManager Cloud, and FortiAnalyzer Cloud versions against the listed affected ranges.
  • Verify whether any affected service is reachable from untrusted networks.
  • Confirm the deployed version is outside the vulnerable ranges after remediation.
  • Review appliance logs for unexpected crashes or anomalous management-plane activity.
Prepared
Confidence
high
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

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cwe · low confidence lookup

CWE-121: Exact CWE lookup

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Open ATT&CK lookup
cve · low confidence lookup

CVE-2024-35276 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5 (3.1)
Known Exploited
No
Published

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

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
1ADP providers
2Source 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
5CVSS 3.1MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:R2.23.4fortinet

Vulnerability scoring details

Base CVSS 3.1 score

5Medium
CVSS 3.1 vector shape for CVE-2024-35276Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
FortinetFortiAnalyzer7.4.0, 7.2.0, 7.0.0, 6.4.0unaffected
FortinetFortiManager Cloud7.4.1, 7.2.1, 7.0.1, 6.4.1unaffected
FortinetFortiAnalyzer Cloud7.4.1, 7.2.1, 7.0.1, 6.4.1unaffected
FortinetFortiManager7.4.0, 7.2.0, 7.0.0, 6.4.0unaffected
Weakness

CWE details

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

CWE-121 · source CWE mapping

Stack-based Buffer Overflow

Stack-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.