CVE-2021-42757 - Vulnerability Details

Vendors	Products
Fortinet	Fortiadc Fortianalyzer Fortimail Fortimanager Fortindr Fortios Fortios-6k7k Fortiportal Fortiproxy Fortirecorder Firmware Fortiswitch Fortivoice Fortiweb

Link	Providers
https://fortiguard.com/advisory/FG-IR-21-173

Show plain JSON

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vulnerable : true (boolean)

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]

negate : false (boolean)

operator : OR (string)

}

]

}

]

descriptions : [ »

0 : { »

lang : en (string)

value : A buffer overflow [CWE-121] in the TFTP client library of FortiOS before 6.4.7 and FortiOS 7.0.0 through 7.0.2, may allow an authenticated local attacker to achieve arbitrary code execution via specially crafted command line arguments. (string)

}

1 : { »

lang : es (string)

value : Un desbordamiento de búfer [CWE-121] en la biblioteca del cliente TFTP de FortiOS versiones anteriores a 6.4.7 y FortiOS versiones 7.0.0 hasta 7.0.2, puede permitir a un atacante local autenticado lograr una ejecución de código arbitrario por medio de argumentos de línea de comandos especialmente diseñados (string)

}

]

id : CVE-2021-42757 (string)

lastModified : 2024-11-21T06:28:06.653 (string)

metrics : { »

cvssMetricV2 : [ »

0 : { »

acInsufInfo : false (boolean)

baseSeverity : MEDIUM (string)

cvssData : { »

accessComplexity : LOW (string)

accessVector : LOCAL (string)

authentication : NONE (string)

availabilityImpact : PARTIAL (string)

baseScore : 4.6 (number)

confidentialityImpact : PARTIAL (string)

integrityImpact : PARTIAL (string)

vectorString : AV:L/AC:L/Au:N/C:P/I:P/A:P (string)

version : 2.0 (string)

}

exploitabilityScore : 3.9 (number)

impactScore : 6.4 (number)

obtainAllPrivilege : false (boolean)

obtainOtherPrivilege : false (boolean)

obtainUserPrivilege : false (boolean)

source : nvd@nist.gov (string)

type : Primary (string)

userInteractionRequired : false (boolean)

}

]

cvssMetricV31 : [ »

0 : { »

cvssData : { »

attackComplexity : LOW (string)

attackVector : LOCAL (string)

availabilityImpact : HIGH (string)

baseScore : 6.7 (number)

baseSeverity : MEDIUM (string)

confidentialityImpact : HIGH (string)

integrityImpact : HIGH (string)

privilegesRequired : HIGH (string)

scope : UNCHANGED (string)

userInteraction : NONE (string)

vectorString : CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H (string)

version : 3.1 (string)

}

exploitabilityScore : 0.8 (number)

impactScore : 5.9 (number)

source : psirt@fortinet.com (string)

type : Secondary (string)

}

1 : { »

cvssData : { »

attackComplexity : LOW (string)

attackVector : LOCAL (string)

availabilityImpact : HIGH (string)

baseScore : 6.7 (number)

baseSeverity : MEDIUM (string)

confidentialityImpact : HIGH (string)

integrityImpact : HIGH (string)

privilegesRequired : HIGH (string)

scope : UNCHANGED (string)

userInteraction : NONE (string)

vectorString : CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H (string)

version : 3.1 (string)

}

exploitabilityScore : 0.8 (number)

impactScore : 5.9 (number)

source : nvd@nist.gov (string)

type : Primary (string)

}

]

}

published : 2021-12-08T11:15:11.840 (string)

references : [ »

0 : { »

source : psirt@fortinet.com (string)

tags : [ »

0 : Vendor Advisory (string)

]

url : https://fortiguard.com/advisory/FG-IR-21-173 (string)

}

1 : { »

source : af854a3a-2127-422b-91ae-364da2661108 (string)

tags : [ »

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]

url : https://fortiguard.com/advisory/FG-IR-21-173 (string)

}

]

sourceIdentifier : psirt@fortinet.com (string)

vulnStatus : Modified (string)

weaknesses : [ »

0 : { »

description : [ »

0 : { »

lang : en (string)

value : CWE-787 (string)

}

]

source : nvd@nist.gov (string)

type : Primary (string)

}

]

}

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

Affected Vendors & Products

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

Affected Vendors & Products

JSON object

JSON object

JSON object

JSON object