CVE-2016-6909

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Summary

CVECVE-2016-6909
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-08-24 16:30:00 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionBuffer overflow in the Cookie parser in Fortinet FortiOS 4.x before 4.1.11, 4.2.x before 4.2.13, and 4.3.x before 4.3.9 and FortiSwitch before 3.4.3 allows remote attackers to execute arbitrary code via a crafted HTTP request, aka EGREGIOUSBLUNDER.

Risk And Classification

Primary CVSS: v3.0 9.8 CRITICAL from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-119 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary9.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary10AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:L/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fortinet Fortios All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Fortigate Firewalls - 'EGREGIOUSBLUNDER' Remote Code Execution af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com Exploit, Third Party Advisory, VDB Entry
Fortinet FortiGate Cookie Parser Buffer Overflow Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Cookie Parser Buffer Overflow Vulnerability | FortiGuard.com af854a3a-2127-422b-91ae-364da2661108 fortiguard.com Vendor Advisory
Equation Group Firewall Operations Catalogue af854a3a-2127-422b-91ae-364da2661108 musalbas.com Third Party Advisory
EGREGIOUSBLUNDER Fortigate Remote Code Execution ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Exploit, Third Party Advisory, VDB Entry
Fortinet FortiGate/FortiOS Buffer Overflow in Cookie Parser Lets Remote Users Execute Arbitrary Code - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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