cve-2021-24020
Vulnerability from cvelistv5
Published
2021-07-09 18:17
Modified
2024-10-25 13:57
Severity ?
EPSS score ?
Summary
A missing cryptographic step in the implementation of the hash digest algorithm in FortiMail 6.4.0 through 6.4.4, and 6.2.0 through 6.2.7 may allow an unauthenticated attacker to tamper with signed URLs by appending further data which allows bypass of signature verification.
References
▼ | URL | Tags | |
---|---|---|---|
psirt@fortinet.com | https://fortiguard.com/advisory/FG-IR-21-027 | Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://fortiguard.com/advisory/FG-IR-21-027 | Vendor Advisory |
Impacted products
Vendor | Product | Version | ||
---|---|---|---|---|
Fortinet | Fortinet FortiMail |
Version: FortiMail 6.4.0 through 6.4.4, and 6.2.0 through 6.2.7 |
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cryptographic step in the implementation of the hash digest algorithm in FortiMail 6.4.0 through 6.4.4, and 6.2.0 through 6.2.7 may allow an unauthenticated attacker to tamper with signed URLs by appending further data which allows bypass of signature verification.", }, ], metrics: [ { cvssV3_1: { attackComplexity: "HIGH", attackVector: "NETWORK", availabilityImpact: "HIGH", baseScore: 7.5, baseSeverity: "HIGH", confidentialityImpact: "HIGH", integrityImpact: "HIGH", privilegesRequired: "LOW", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", version: "3.1", }, }, ], problemTypes: [ { descriptions: [ { description: "Improper Access Control", lang: "en", type: "text", }, ], }, ], providerMetadata: { dateUpdated: "2021-07-09T18:17:26", orgId: "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", shortName: "fortinet", }, references: [ { tags: [ "x_refsource_CONFIRM", ], url: "https://fortiguard.com/advisory/FG-IR-21-027", }, ], x_legacyV4Record: { CVE_data_meta: { ASSIGNER: "psirt@fortinet.com", ID: "CVE-2021-24020", STATE: "PUBLIC", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "Fortinet FortiMail", version: { version_data: [ { version_value: "FortiMail 6.4.0 through 6.4.4, and 6.2.0 through 6.2.7", }, ], }, }, ], }, vendor_name: "Fortinet", }, ], }, }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "eng", value: "A missing cryptographic step in the implementation of the hash digest algorithm in FortiMail 6.4.0 through 6.4.4, and 6.2.0 through 6.2.7 may allow an unauthenticated attacker to tamper with signed URLs by appending further data which allows bypass of signature verification.", }, ], }, impact: { cvss: { attackComplexity: "High", attackVector: "Network", availabilityImpact: "High", baseScore: 6.9, baseSeverity: "Medium", confidentialityImpact: "High", integrityImpact: "High", privilegesRequired: "Low", scope: "Unchanged", userInteraction: "None", vectorString: "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", version: "3.1", }, }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "Improper Access Control", }, ], }, ], }, references: { reference_data: [ { name: "https://fortiguard.com/advisory/FG-IR-21-027", refsource: "CONFIRM", url: "https://fortiguard.com/advisory/FG-IR-21-027", }, ], }, }, }, }, cveMetadata: { assignerOrgId: "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", assignerShortName: "fortinet", cveId: "CVE-2021-24020", datePublished: "2021-07-09T18:17:26", dateReserved: "2021-01-13T00:00:00", dateUpdated: "2024-10-25T13:57:25.857Z", state: "PUBLISHED", }, dataType: "CVE_RECORD", dataVersion: "5.1", "vulnerability-lookup:meta": { nvd: 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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.
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- 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.