CVE-2021-27795

Brocade Fabric OS (FOS) hardware platforms running any version of Brocade Fabric OS software, which supports the license string format; contain cryptographic issues that could allow for the installation of forged or fraudulent license keys. This would allow attackers or a malicious party to forge a counterfeit license key that the Brocade Fabric OS platform would authenticate and activate as if it were a legitimate license key.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/21289	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:h:broadcom:brocade_300:-:::::::*
	cpe:2.3:h:broadcom:brocade_610:-:::::::*
	cpe:2.3:h:broadcom:brocade_6505:-:::::::*
	cpe:2.3:h:broadcom:brocade_6510:-:::::::*
	cpe:2.3:h:broadcom:brocade_6520:-:::::::*
	cpe:2.3:h:broadcom:brocade_7800:-:::::::*
	cpe:2.3:h:broadcom:brocade_7810:-:::::::*
	cpe:2.3:h:broadcom:brocade_7840:-:::::::*
	cpe:2.3:h:broadcom:brocade_g620:-:::::::*
	cpe:2.3:h:broadcom:brocade_g630:-:::::::*
	cpe:2.3:h:broadcom:brocade_x6-4_director:-:::::::*
	cpe:2.3:h:broadcom:brocade_x6-8_director:-:::::::*

cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2023-12-06 02:15

Updated : 2023-12-11 19:44

NVD link : CVE-2021-27795

Mitre link : CVE-2021-27795

CVE.ORG link : CVE-2021-27795

JSON object : View

Products Affected

broadcom

brocade_6505
brocade_300
brocade_g630
brocade_610
fabric_operating_system
brocade_x6-4_director
brocade_x6-8_director
brocade_g620
brocade_7810
brocade_6510
brocade_6520
brocade_7840
brocade_7800

CWE

CWE-327

Use of a Broken or Risky Cryptographic Algorithm

{"id": "CVE-2021-27795", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}, {"type": "Secondary", "source": "sirt@brocade.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 4.7, "exploitabilityScore": 1.6}]}, "published": "2023-12-06T02:15:06.573", "references": [{"url": "https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/21289", "tags": ["Vendor Advisory"], "source": "sirt@brocade.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-327"}]}, {"type": "Secondary", "source": "sirt@brocade.com", "description": [{"lang": "en", "value": "CWE-327"}]}], "descriptions": [{"lang": "en", "value": "Brocade Fabric OS (FOS) hardware \nplatforms running any version of Brocade Fabric OS software, which \nsupports the license string format; contain cryptographic \nissues that could allow for the installation of forged or fraudulent \nlicense keys. This would allow attackers or a malicious party to forge a\n counterfeit license key that the Brocade Fabric OS platform would \nauthenticate and activate as if it were a legitimate license key. \n\n\n\n"}, {"lang": "es", "value": "Plataformas de hardware Brocade Fabric OS (FOS) que ejecutan cualquier versi\u00f3n del software Brocade Fabric OS, que admita el formato de cadena de licencia; contienen problemas criptogr\u00e1ficos que podr\u00edan permitir la instalaci\u00f3n de claves de licencia falsificadas o fraudulentas. Esto permitir\u00eda a los atacantes o a una parte malintencionada falsificar una clave de licencia falsa que la plataforma Brocade Fabric OS autenticar\u00eda y activar\u00eda como si fuera una clave de licencia leg\u00edtima."}], "lastModified": "2023-12-11T19:44:39.613", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:broadcom:brocade_300:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "514B80C9-FB9A-46FF-A58F-F90D695CD6EF"}, {"criteria": "cpe:2.3:h:broadcom:brocade_610:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "71B3C11A-72A1-40E7-8062-FDCE8B31BF45"}, {"criteria": "cpe:2.3:h:broadcom:brocade_6505:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "BFE32859-8F51-41C0-829F-E2C7C70D2B32"}, {"criteria": "cpe:2.3:h:broadcom:brocade_6510:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "EB73E604-D2BA-463E-8F89-B6FA2D762C49"}, {"criteria": "cpe:2.3:h:broadcom:brocade_6520:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "1AD15038-420D-456C-9E46-1F68730D5294"}, {"criteria": "cpe:2.3:h:broadcom:brocade_7800:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A3E8C687-7999-4FC9-B6F0-8235808B2113"}, {"criteria": "cpe:2.3:h:broadcom:brocade_7810:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E297EC07-ACD9-44CB-A52E-E8D77F1AB3B8"}, {"criteria": "cpe:2.3:h:broadcom:brocade_7840:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "3A3BC204-ED15-4F07-A493-D688A02E2AF4"}, {"criteria": "cpe:2.3:h:broadcom:brocade_g620:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D3C167A2-3A1D-4A7C-8BB0-E923F774DAE2"}, {"criteria": "cpe:2.3:h:broadcom:brocade_g630:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "3CBE84E8-4D66-4CE7-B6D9-F67F92014C5C"}, {"criteria": "cpe:2.3:h:broadcom:brocade_x6-4_director:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "03D3425B-AADB-4507-9D9D-907BD49359B0"}, {"criteria": "cpe:2.3:h:broadcom:brocade_x6-8_director:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "1FF27302-C9A5-4C62-B97D-BFEDAE2F9F5E"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0A924BA8-278D-42F8-9A38-AE1087384629"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "sirt@brocade.com"}