CVE-2021-26108

View on CVE.org

Published Dec 8, 2021 CVSS 3.1 · 7.5 High EPSS 1.1% KEV · Not listed

Description

A use of hard-coded cryptographic key vulnerability in the SSLVPN of FortiOS before 7.0.1 may allow an attacker to retrieve the key by reverse engineering.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Fortinet

Fortinet FortiOS

affected

Version	Status	Constraints
`FortiOS before 7.0.1`	affected	—

Configuration 1 [-]

OR	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios:7.0.0:::::::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-12929	A use of hard-coded cryptographic key vulnerability in the SSLVPN of FortiOS before 7.0.1 may allow an attacker to retrieve the key by reverse engineering.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 1.1% (1.121% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
https://fortiguard.com/advisory/FG-IR-21-051

History

Oct 25, 2024 2:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Fortinet Fortios

Weaknesses

CWE-798

Sources

CVE record Updated: Oct 25, 2024, 1:40 PM

Status: PUBLISHED
Assigner: fortinet
Published: Dec 8, 2021, 12:16 PM
Updated: Oct 25, 2024, 1:40 PM
Reserved: Jan 25, 2021, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 3, 2024, 8:19 PM

Updated: Aug 3, 2024, 8:19 PM

NVD Updated: Jun 17, 2026, 3:42 AM

Status: Modified
Published: Dec 8, 2021, 1:15 PM
Modified: Jun 17, 2026, 3:42 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "Fortinet FortiOS", "vendor": "Fortinet", "versions": [{"status": "affected", "version": "FortiOS before 7.0.1"}]}], "descriptions": [{"lang": "en", "value": "A use of hard-coded cryptographic key vulnerability in the SSLVPN of FortiOS before 7.0.1 may allow an attacker to retrieve the key by reverse engineering."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "exploitCodeMaturity": "FUNCTIONAL", "integrityImpact": "NONE", "privilegesRequired": "NONE", "remediationLevel": "UNAVAILABLE", "reportConfidence": "CONFIRMED", "scope": "UNCHANGED", "temporalScore": 7.3, "temporalSeverity": "HIGH", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:F/RL:U/RC:C", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Information disclosure", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-12-08T12:16:03.000Z", "orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "shortName": "fortinet"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://fortiguard.com/advisory/FG-IR-21-051"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@fortinet.com", "ID": "CVE-2021-26108", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Fortinet FortiOS", "version": {"version_data": [{"version_value": "FortiOS before 7.0.1"}]}}]}, "vendor_name": "Fortinet"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A use of hard-coded cryptographic key vulnerability in the SSLVPN of FortiOS before 7.0.1 may allow an attacker to retrieve the key by reverse engineering."}]}, "impact": {"cvss": {"attackComplexity": "Low", "attackVector": "Network", "availabilityImpact": "None", "baseScore": 7.3, "baseSeverity": "High", "confidentialityImpact": "High", "integrityImpact": "None", "privilegesRequired": "None", "scope": "Unchanged", "userInteraction": "None", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:F/RL:U/RC:C", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Information disclosure"}]}]}, "references": {"reference_data": [{"name": "https://fortiguard.com/advisory/FG-IR-21-051", "refsource": "CONFIRM", "url": "https://fortiguard.com/advisory/FG-IR-21-051"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:19:20.065Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://fortiguard.com/advisory/FG-IR-21-051"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-10-23T14:16:05.959830Z", "id": "CVE-2021-26108", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-25T13:40:59.998Z"}}]}, "cveMetadata": {"assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "assignerShortName": "fortinet", "cveId": "CVE-2021-26108", "datePublished": "2021-12-08T12:16:03.000Z", "dateReserved": "2021-01-25T00:00:00.000Z", "dateUpdated": "2024-10-25T13:40:59.998Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://fortiguard.com/advisory/FG-IR-21-051", "tags": ["x_refsource_CONFIRM", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:19:20.065Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-26108", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-23T14:16:05.959830Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-23T14:18:31.888Z"}}], "cna": {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:F/RL:U/RC:C", "temporalScore": 7.3, "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "remediationLevel": "UNAVAILABLE", "reportConfidence": "CONFIRMED", "temporalSeverity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "exploitCodeMaturity": "FUNCTIONAL", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "Fortinet", "product": "Fortinet FortiOS", "versions": [{"status": "affected", "version": "FortiOS before 7.0.1"}]}], "references": [{"url": "https://fortiguard.com/advisory/FG-IR-21-051", "tags": ["x_refsource_CONFIRM"]}], "descriptions": [{"lang": "en", "value": "A use of hard-coded cryptographic key vulnerability in the SSLVPN of FortiOS before 7.0.1 may allow an attacker to retrieve the key by reverse engineering."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "Information disclosure"}]}], "providerMetadata": {"orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "shortName": "fortinet", "dateUpdated": "2021-12-08T12:16:03.000Z"}, "x_legacyV4Record": {"impact": {"cvss": {"scope": "Unchanged", "version": "3.1", "baseScore": 7.3, "attackVector": "Network", "baseSeverity": "High", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:F/RL:U/RC:C", "integrityImpact": "None", "userInteraction": "None", "attackComplexity": "Low", "availabilityImpact": "None", "privilegesRequired": "None", "confidentialityImpact": "High"}}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "FortiOS before 7.0.1"}]}, "product_name": "Fortinet FortiOS"}]}, "vendor_name": "Fortinet"}]}}, "data_type": "CVE", "references": {"reference_data": [{"url": "https://fortiguard.com/advisory/FG-IR-21-051", "name": "https://fortiguard.com/advisory/FG-IR-21-051", "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "A use of hard-coded cryptographic key vulnerability in the SSLVPN of FortiOS before 7.0.1 may allow an attacker to retrieve the key by reverse engineering."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Information disclosure"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-26108", "STATE": "PUBLIC", "ASSIGNER": "psirt@fortinet.com"}}}}, "cveMetadata": {"cveId": "CVE-2021-26108", "state": "PUBLISHED", "dateUpdated": "2024-10-25T13:40:59.998Z", "dateReserved": "2021-01-25T00:00:00.000Z", "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "datePublished": "2021-12-08T12:16:03.000Z", "assignerShortName": "fortinet"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "Fortinet FortiOS", "vendor": "Fortinet", "versions": [{"status": "affected", "version": "FortiOS before 7.0.1"}]}], "source": "psirt@fortinet.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "matchCriteriaId": "7E239D7B-8B65-4639-9390-F62C5A584B18", "versionEndIncluding": "5.6.13", "versionStartIncluding": "5.6.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "matchCriteriaId": "B09D1C32-BF6B-4B27-91D4-1347EFB8ECB7", "versionEndIncluding": "6.0.12", "versionStartIncluding": "6.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "matchCriteriaId": "D4EB2498-D80C-4C5B-B21F-D51640AB3569", "versionEndIncluding": "6.2.8", "versionStartIncluding": "6.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "matchCriteriaId": "B9633128-886B-493E-8F17-00110EE0EF91", "versionEndIncluding": "6.4.5", "versionStartIncluding": "6.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:fortinet:fortios:7.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "79FEE7F6-F72E-4A43-883C-0CF492DF355B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A use of hard-coded cryptographic key vulnerability in the SSLVPN of FortiOS before 7.0.1 may allow an attacker to retrieve the key by reverse engineering."}, {"lang": "es", "value": "Una vulnerabilidad en el uso de la clave criptogr\u00e1fica embebida en SSLVPN de FortiOS versiones anteriores a 7.0.1, puede permitir a un atacante recuperar la clave mediante ingenier\u00eda inversa"}], "id": "CVE-2021-26108", "lastModified": "2026-06-17T03:42:52.527", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "psirt@fortinet.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-26108", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-10-23T14:16:05.959830Z", "version": "2.0.3"}}]}, "published": "2021-12-08T13:15:07.603", "references": [{"source": "psirt@fortinet.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://fortiguard.com/advisory/FG-IR-21-051"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://fortiguard.com/advisory/FG-IR-21-051"}], "sourceIdentifier": "psirt@fortinet.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-798"}], "source": "nvd@nist.gov", "type": "Primary"}]}