cve-2021-34761
Vulnerability from cvelistv5
Published
2021-10-27 18:55
Modified
2024-11-07 21:44
Severity ?
EPSS score ?
Summary
Cisco Firepower Threat Defense Software CLI Arbitrary File Write Vulnerability
References
Impacted products
▼ | Vendor | Product |
---|---|---|
Cisco | Cisco Firepower Threat Defense Software |
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-04T00:19:48.218Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "name": "20211027 Cisco Firepower Threat Defense Software CLI Arbitrary File Write Vulnerability", "tags": [ "vendor-advisory", "x_refsource_CISCO", "x_transferred" ], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-file-write-SHVcmQVc" } ], "title": "CVE Program Container" }, { "metrics": [ { "other": { "content": { "id": "CVE-2021-34761", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "timestamp": "2024-11-07T21:39:50.562966Z", "version": "2.0.3" }, "type": "ssvc" } } ], "providerMetadata": { "dateUpdated": "2024-11-07T21:44:29.552Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" } ], "cna": { "affected": [ { "product": "Cisco Firepower Threat Defense Software", "vendor": "Cisco", "versions": [ { "status": "affected", "version": "n/a" } ] } ], "datePublic": "2021-10-27T00:00:00", "descriptions": [ { "lang": "en", "value": "A vulnerability in Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to overwrite or append arbitrary data to system files using root-level privileges. The attacker must have administrative credentials on the device. This vulnerability is due to incomplete validation of user input for a specific CLI command. An attacker could exploit this vulnerability by authenticating to the device with administrative privileges and issuing a CLI command with crafted user parameters. A successful exploit could allow the attacker to overwrite or append arbitrary data to system files using root-level privileges." } ], "exploits": [ { "lang": "en", "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-73", "description": "CWE-73", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-10-27T18:55:30", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco" }, "references": [ { "name": "20211027 Cisco Firepower Threat Defense Software CLI Arbitrary File Write Vulnerability", "tags": [ "vendor-advisory", "x_refsource_CISCO" ], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-file-write-SHVcmQVc" } ], "source": { "advisory": "cisco-sa-ftd-file-write-SHVcmQVc", "defect": [ [ "CSCvy41757" ] ], "discovery": "INTERNAL" }, "title": "Cisco Firepower Threat Defense Software CLI Arbitrary File Write Vulnerability", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "psirt@cisco.com", "DATE_PUBLIC": "2021-10-27T16:00:00", "ID": "CVE-2021-34761", "STATE": "PUBLIC", "TITLE": "Cisco Firepower Threat Defense Software CLI Arbitrary File Write Vulnerability" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Cisco Firepower Threat Defense Software", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "Cisco" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A vulnerability in Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to overwrite or append arbitrary data to system files using root-level privileges. The attacker must have administrative credentials on the device. This vulnerability is due to incomplete validation of user input for a specific CLI command. An attacker could exploit this vulnerability by authenticating to the device with administrative privileges and issuing a CLI command with crafted user parameters. A successful exploit could allow the attacker to overwrite or append arbitrary data to system files using root-level privileges." } ] }, "exploit": [ { "lang": "en", "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory." } ], "impact": { "cvss": { "baseScore": "4.4", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N", "version": "3.0" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-73" } ] } ] }, "references": { "reference_data": [ { "name": "20211027 Cisco Firepower Threat Defense Software CLI Arbitrary File Write Vulnerability", "refsource": "CISCO", "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-file-write-SHVcmQVc" } ] }, "source": { "advisory": "cisco-sa-ftd-file-write-SHVcmQVc", "defect": [ [ "CSCvy41757" ] ], "discovery": "INTERNAL" } } } }, "cveMetadata": { "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2021-34761", "datePublished": "2021-10-27T18:55:30.453403Z", "dateReserved": "2021-06-15T00:00:00", "dateUpdated": "2024-11-07T21:44:29.552Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-34761\",\"sourceIdentifier\":\"ykramarz@cisco.com\",\"published\":\"2021-10-27T19:15:08.003\",\"lastModified\":\"2023-11-07T03:36:19.850\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to overwrite or append arbitrary data to system files using root-level privileges. The attacker must have administrative credentials on the device. This vulnerability is due to incomplete validation of user input for a specific CLI command. An attacker could exploit this vulnerability by authenticating to the device with administrative privileges and issuing a CLI command with crafted user parameters. A successful exploit could allow the attacker to overwrite or append arbitrary data to system files using root-level privileges.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en el software Cisco Firepower Threat Defense (FTD) podr\u00eda permitir a un atacante local autenticado sobrescribir o a\u00f1adir datos arbitrarios a los archivos del sistema usando privilegios de nivel de root. El atacante debe tener credenciales administrativas en el dispositivo. Esta vulnerabilidad es debido a una comprobaci\u00f3n incompleta de la entrada del usuario para un comando CLI espec\u00edfico. Un atacante podr\u00eda explotar esta vulnerabilidad al autenticarse en el dispositivo con privilegios administrativos y emitiendo un comando CLI con par\u00e1metros de usuario dise\u00f1ados. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante sobrescribir o a\u00f1adir datos arbitrarios a los archivos del sistema usando privilegios de nivel root\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.0,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":0.8,\"impactScore\":5.2},{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\",\"baseScore\":4.4,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":0.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:C/A:C\",\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\",\"baseScore\":6.6},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.9,\"impactScore\":9.2,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-668\"}]},{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-73\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.2.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F75D9CB4-406B-4FBF-BC7A-35C2CCEFD8B2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2C0FC62F-65AD-4855-953A-DA5BBFC1B2E1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.6.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B11AE299-AE40-42EB-9C0B-3865C932E766\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DA792E5D-7270-4C23-A8D6-22EB00CB21A2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:7.0.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0CB38685-4255-4565-98AA-234B9DEEADE3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:7.1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7CF689E1-22FF-467F-B5A7-59833D77971E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.4.0\",\"versionEndExcluding\":\"6.4.0.13\",\"matchCriteriaId\":\"17F461B5-E600-4C81-BA3C-1DBC90D4D438\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.6.0\",\"versionEndExcluding\":\"6.6.5\",\"matchCriteriaId\":\"37A74256-AF9A-473B-9DC7-A57618BA9F00\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7.0\",\"versionEndExcluding\":\"6.7.0.3\",\"matchCriteriaId\":\"98DEDDAB-B8C5-4753-A208-94638E694FC1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.0.0\",\"versionEndExcluding\":\"7.0.1\",\"matchCriteriaId\":\"7B2F537A-A488-45B6-AD4B-48B7064AE84C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:sourcefire_defense_center:6.2.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5E4A3574-53DC-4328-A229-87795AE4F7AF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:sourcefire_defense_center:6.4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2EBC6544-6ADF-4F95-A969-A8D953D11B3A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:sourcefire_defense_center:6.6.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2B02800C-6420-4758-89CF-66F47B4FCA19\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:sourcefire_defense_center:6.7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3F41081E-06CF-4BA2-9072-E18D9032BEBC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:sourcefire_defense_center:7.0.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"52ED507A-5075-4444-A2D1-F5657453AD3F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:cisco:sourcefire_defense_center:7.1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F5E9A6F5-8BC2-4FA5-9920-E980EFC5BCEE\"}]}]}],\"references\":[{\"url\":\"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-file-write-SHVcmQVc\",\"source\":\"ykramarz@cisco.com\",\"tags\":[\"Vendor Advisory\"]}]}}" } }
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.
- 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.