CVE-2021-24012 (GCVE-0-2021-24012)
Vulnerability from cvelistv5 – Published: 2021-06-02 12:42 – Updated: 2024-10-25 13:58
VLAI?
Summary
An improper following of a certificate's chain of trust vulnerability in FortiGate versions 6.4.0 to 6.4.4 may allow an LDAP user to connect to SSLVPN with any certificate that is signed by a trusted Certificate Authority.
Severity ?
6.5 (Medium)
CWE
- Impersonation
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Fortinet | Fortinet FortiOS |
Affected:
FortiOS 6.4.0 to 6.4.4
|
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T19:14:10.119Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://fortiguard.com/advisory/FG-IR-21-018"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-24012",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-10-23T13:58:47.552875Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-10-25T13:58:11.976Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Fortinet FortiOS",
"vendor": "Fortinet",
"versions": [
{
"status": "affected",
"version": "FortiOS 6.4.0 to 6.4.4"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An improper following of a certificate\u0027s chain of trust vulnerability in FortiGate versions 6.4.0 to 6.4.4 may allow an LDAP user to connect to SSLVPN with any certificate that is signed by a trusted Certificate Authority."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Impersonation",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-06-02T12:42:19",
"orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
"shortName": "fortinet"
},
"references": [
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://fortiguard.com/advisory/FG-IR-21-018"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "psirt@fortinet.com",
"ID": "CVE-2021-24012",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Fortinet FortiOS",
"version": {
"version_data": [
{
"version_value": "FortiOS 6.4.0 to 6.4.4"
}
]
}
}
]
},
"vendor_name": "Fortinet"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "An improper following of a certificate\u0027s chain of trust vulnerability in FortiGate versions 6.4.0 to 6.4.4 may allow an LDAP user to connect to SSLVPN with any certificate that is signed by a trusted Certificate Authority."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "High",
"attackVector": "Network",
"availabilityImpact": "Low",
"baseScore": 6.4,
"baseSeverity": "Medium",
"confidentialityImpact": "Low",
"integrityImpact": "Low",
"privilegesRequired": "None",
"scope": "Changed",
"userInteraction": "None",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Impersonation"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://fortiguard.com/advisory/FG-IR-21-018",
"refsource": "CONFIRM",
"url": "https://fortiguard.com/advisory/FG-IR-21-018"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
"assignerShortName": "fortinet",
"cveId": "CVE-2021-24012",
"datePublished": "2021-06-02T12:42:19",
"dateReserved": "2021-01-13T00:00:00",
"dateUpdated": "2024-10-25T13:58:11.976Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"fkie_nvd": {
"configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.4.0\", \"versionEndExcluding\": \"6.4.5\", \"matchCriteriaId\": \"26712170-76E1-4896-9421-6CB9160D5DDF\"}]}]}]",
"descriptions": "[{\"lang\": \"en\", \"value\": \"An improper following of a certificate\u0027s chain of trust vulnerability in FortiGate versions 6.4.0 to 6.4.4 may allow an LDAP user to connect to SSLVPN with any certificate that is signed by a trusted Certificate Authority.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad de seguimiento impropio de la cadena de confianza de un certificado FortiGate versiones 6.4.0 hasta 6.4.4, puede permitir a un usuario de LDAP conectarse a SSLVPN con cualquier certificado que est\\u00e9 firmado por una Autoridad de Certificaci\\u00f3n confiable\"}]",
"id": "CVE-2021-24012",
"lastModified": "2024-11-21T05:52:12.320",
"metrics": "{\"cvssMetricV31\": [{\"source\": \"psirt@fortinet.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"LOW\"}, \"exploitabilityScore\": 2.2, \"impactScore\": 3.7}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L\", \"baseScore\": 7.3, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"LOW\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 3.4}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:P\", \"baseScore\": 7.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 10.0, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
"published": "2021-06-02T13:15:12.673",
"references": "[{\"url\": \"https://fortiguard.com/advisory/FG-IR-21-018\", \"source\": \"psirt@fortinet.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://fortiguard.com/advisory/FG-IR-21-018\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
"sourceIdentifier": "psirt@fortinet.com",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-295\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2021-24012\",\"sourceIdentifier\":\"psirt@fortinet.com\",\"published\":\"2021-06-02T13:15:12.673\",\"lastModified\":\"2024-11-21T05:52:12.320\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An improper following of a certificate\u0027s chain of trust vulnerability in FortiGate versions 6.4.0 to 6.4.4 may allow an LDAP user to connect to SSLVPN with any certificate that is signed by a trusted Certificate Authority.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de seguimiento impropio de la cadena de confianza de un certificado FortiGate versiones 6.4.0 hasta 6.4.4, puede permitir a un usuario de LDAP conectarse a SSLVPN con cualquier certificado que est\u00e9 firmado por una Autoridad de Certificaci\u00f3n confiable\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@fortinet.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.2,\"impactScore\":3.7},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L\",\"baseScore\":7.3,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":3.9,\"impactScore\":3.4}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-295\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.4.0\",\"versionEndExcluding\":\"6.4.5\",\"matchCriteriaId\":\"26712170-76E1-4896-9421-6CB9160D5DDF\"}]}]}],\"references\":[{\"url\":\"https://fortiguard.com/advisory/FG-IR-21-018\",\"source\":\"psirt@fortinet.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://fortiguard.com/advisory/FG-IR-21-018\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…