Exploitation evidence
Known exploited · CISA KEV listed
Added 2024-02-09. Ransomware campaign use: Known.
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date: 2024-02-16. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
Fortinet / FortiOS
Default status: unaffected
- affected: 7.4.0 to ≤ 7.4.2 (semver)
- affected: 7.2.0 to ≤ 7.2.6 (semver)
- affected: 7.0.0 to ≤ 7.0.13 (semver)
- affected: 6.4.0 to ≤ 6.4.14 (semver)
- affected: 6.2.0 to ≤ 6.2.15 (semver)
- affected: 6.0.0 to ≤ 6.0.18 (semver)
Fortinet / FortiProxy
Default status: unaffected
- affected: 7.4.0 to ≤ 7.4.2 (semver)
- affected: 7.2.0 to ≤ 7.2.8 (semver)
- affected: 7.0.0 to ≤ 7.0.14 (semver)
- affected: 2.0.0 to ≤ 2.0.13 (semver)
- affected: 1.2.1 to ≤ 1.2.13 (semver)
- affected: 01.02.00
- affected: 1.1.4 to ≤ 1.1.6 (semver)
- affected: 01.01.00 to ≤ 01.01.03 (semver)
- affected: 01.00.00 to ≤ 01.00.07 (semver)
Fixes and workarounds
Upgrade to FortiProxy version 7.4.3 or above Upgrade to FortiProxy version 7.2.9 or above Upgrade to FortiProxy version 7.0.15 or above Upgrade to FortiProxy version 2.0.14 or above Upgrade to FortiOS version 7.4.3 or above Upgrade to FortiOS version 7.2.7 or above Upgrade to FortiOS version 7.0.14 or above Upgrade to FortiOS version 6.4.15 or above Upgrade to FortiOS version 6.2.16 or above
Sources and related reporting
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.84589,
"percentile": 0.99709
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.84589,
"percentile": 0.99707
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.84589,
"percentile": 0.99706
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.84589,
"percentile": 0.99705
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.84589,
"percentile": 0.99705
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.84589,
"percentile": 0.99705
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.84589,
"percentile": 0.99704
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.84589,
"percentile": 0.99704
}04 Nov 2026, 12:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
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"version": "7.4.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.2.8",
"status": "affected",
"version": "7.2.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.0.14",
"status": "affected",
"version": "7.0.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "2.0.13",
"status": "affected",
"version": "2.0.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "1.2.13",
"status": "affected",
"version": "1.2.1",
"versionType": "semver"
},
{
"status": "affected",
"version": "01.02.00"
},
{
"lessThanOrEqual": "1.1.6",
"status": "affected",
"version": "1.1.4",
"versionType": "semver"
},
{
"lessThanOrEqual": "01.01.03",
"status": "affected",
"version": "01.01.00",
"versionType": "semver"
},
{
"lessThanOrEqual": "01.00.07",
"status": "affected",
"version": "01.00.00",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A out-of-bounds write vulnerability in Fortinet FortiOS 7.4.0 through 7.4.2, FortiOS 7.2.0 through 7.2.6, FortiOS 7.0.0 through 7.0.13, FortiOS 6.4.0 through 6.4.14, FortiOS 6.2.0 through 6.2.15, FortiOS 6.0 all versions, FortiProxy 7.4.0 through 7.4.2, FortiProxy 7.2.0 through 7.2.8, FortiProxy 7.0.0 through 7.0.14, FortiProxy 2.0.0 through 2.0.13, FortiProxy 01.02 all versions, FortiProxy 1.2 all versions, FortiProxy 01.01 all versions, FortiProxy 1.1 all versions, FortiProxy 01.00 all versions allows attacker to execute unauthorized code or commands via specifically crafted requests"
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.6,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:W/RC:C",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-787",
"description": "Execute unauthorized code or commands",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-22T13:48:34.670Z",
"orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
"shortName": "fortinet"
},
"references": [
{
"name": "https://fortiguard.com/psirt/FG-IR-24-015",
"url": "https://fortiguard.com/psirt/FG-IR-24-015"
}
],
"solutions": [
{
"lang": "en",
"value": "Upgrade to FortiProxy version 7.4.3 or above\nUpgrade to FortiProxy version 7.2.9 or above\nUpgrade to FortiProxy version 7.0.15 or above\nUpgrade to FortiProxy version 2.0.14 or above\nUpgrade to FortiOS version 7.4.3 or above\nUpgrade to FortiOS version 7.2.7 or above\nUpgrade to FortiOS version 7.0.14 or above\nUpgrade to FortiOS version 6.4.15 or above\nUpgrade to FortiOS version 6.2.16 or above"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
"assignerShortName": "fortinet",
"cveId": "CVE-2024-21762",
"datePublished": "2024-02-09T08:14:25.954Z",
"dateReserved": "2024-01-02T10:15:00.527Z",
"dateUpdated": "2026-10-22T13:48:34.670Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.84589,
"percentile": 0.99703
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.84589,
"percentile": 0.99703
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2024-21762",
"cwes": [
"CWE-787"
],
"dateAdded": "2024-02-09",
"dueDate": "2024-02-16",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Known",
"notes": "https://fortiguard.fortinet.com/psirt/FG-IR-24-015 ; https://nvd.nist.gov/vuln/detail/CVE-2024-21762",
"product": "FortiOS",
"requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "Fortinet FortiOS contains an out-of-bound write vulnerability that allows a remote unauthenticated attacker to execute code or commands via specially crafted HTTP requests.",
"vendorProject": "Fortinet",
"vulnerabilityName": "Fortinet FortiOS Out-of-Bound Write Vulnerability"
}