CVE-2026-84391 (GCVE-0-2026-84391)
Vulnerability from cvelistv5
Published
2026-09-08 16:41
Modified
2026-09-08 17:29
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-457 - Denial of service
Summary
A use of uninitialized variable vulnerability in Fortinet FortiAnalyzer 7.6.3 through 7.6.6 may allow attacker to denial of service via <insert attack vector here>
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Fortinet | FortiAnalyzer |
Version: 7.6.3 ≤ 7.6.6 cpe:2.3:o:fortinet:fortianalyzer:7.6.6:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortianalyzer:7.6.5:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortianalyzer:7.6.4:*:*:*:*:*:*:* cpe:2.3:o:fortinet:fortianalyzer:7.6.3:*:*:*:*:*:*:* |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-84391",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-08T17:29:24.379449Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-09-08T17:29:43.459Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:o:fortinet:fortianalyzer:7.6.6:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortianalyzer:7.6.5:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortianalyzer:7.6.4:*:*:*:*:*:*:*",
"cpe:2.3:o:fortinet:fortianalyzer:7.6.3:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"product": "FortiAnalyzer",
"vendor": "Fortinet",
"versions": [
{
"lessThanOrEqual": "7.6.6",
"status": "affected",
"version": "7.6.3",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A use of uninitialized variable vulnerability in Fortinet FortiAnalyzer 7.6.3 through 7.6.6 may allow attacker to denial of service via \u003cinsert attack vector here\u003e"
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-457",
"description": "Denial of service",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-08T16:41:50.685Z",
"orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
"shortName": "fortinet"
},
"references": [
{
"name": "https://fortiguard.fortinet.com/psirt/FG-IR-26-172",
"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-172"
}
],
"solutions": [
{
"lang": "en",
"value": "Upgrade to FortiAnalyzer version 8.0.0 or above\nUpgrade to FortiAnalyzer version 7.6.7 or above"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
"assignerShortName": "fortinet",
"cveId": "CVE-2026-84391",
"datePublished": "2026-09-08T16:41:50.685Z",
"dateReserved": "2026-09-01T16:36:11.927Z",
"dateUpdated": "2026-09-08T17:29:43.459Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…