{"id":"CVE-2021-34736","state":"PUBLISHED","title":"Cisco Integrated Management Controller GUI Denial of Service Vulnerability","description":"A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Software could allow an unauthenticated, remote attacker to cause the web-based management interface to unexpectedly restart. The vulnerability is due to insufficient input validation on the web-based management interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to cause the interface to restart, resulting in a denial of service (DoS) condition.","publishedAt":"2021-10-21T02:50:50.138Z","updatedAt":"2024-11-07T21:46:33.524Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","source":"cisco"},"assigner":"cisco","products":["Cisco Cisco Unified Computing System (Managed)"],"affected":[{"vendor":"Cisco","product":"Cisco Unified Computing System (Managed)","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-imc-gui-dos-TZjrFyZh"],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T19:48:38.863Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/34xxx/CVE-2021-34736.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-34736","state":"PUBLISHED","datePublished":"2021-10-21T02:50:50.138Z","dateUpdated":"2024-11-07T21:46:33.524Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateReserved":"2021-06-15T00:00:00.000Z"},"containers":{"cna":{"title":"Cisco Integrated Management Controller GUI Denial of Service Vulnerability","descriptions":[{"lang":"en","value":"A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Software could allow an unauthenticated, remote attacker to cause the web-based management interface to unexpectedly restart. The vulnerability is due to insufficient input validation on the web-based management interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to cause the interface to restart, resulting in a denial of service (DoS) condition."}],"affected":[{"vendor":"Cisco","product":"Cisco Unified Computing System (Managed)","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-imc-gui-dos-TZjrFyZh","name":"20211020 Cisco Integrated Management Controller GUI Denial of Service Vulnerability","tags":["vendor-advisory","x_refsource_CISCO"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","description":"CWE-20","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"cisco","dateUpdated":"2021-10-21T02:50:50.000Z","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633"},"datePublic":"2021-10-20T00:00:00.000Z","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."}],"source":{"advisory":"cisco-sa-imc-gui-dos-TZjrFyZh","defect":[["CSCvy91321"]],"discovery":"INTERNAL"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"psirt@cisco.com","DATE_PUBLIC":"2021-10-20T16:00:00","ID":"CVE-2021-34736","STATE":"PUBLIC","TITLE":"Cisco Integrated Management Controller GUI Denial of Service Vulnerability"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Cisco Unified Computing System (Managed)","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 the web-based management interface of Cisco Integrated Management Controller (IMC) Software could allow an unauthenticated, remote attacker to cause the web-based management interface to unexpectedly restart. The vulnerability is due to insufficient input validation on the web-based management interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to cause the interface to restart, resulting in a denial of service (DoS) condition."}]},"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":"5.3","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-20"}]}]},"references":{"reference_data":[{"name":"20211020 Cisco Integrated Management Controller GUI Denial of Service Vulnerability","refsource":"CISCO","url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-imc-gui-dos-TZjrFyZh"}]},"source":{"advisory":"cisco-sa-imc-gui-dos-TZjrFyZh","defect":[["CSCvy91321"]],"discovery":"INTERNAL"}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-imc-gui-dos-TZjrFyZh","name":"20211020 Cisco Integrated Management Controller GUI Denial of Service Vulnerability","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T00:19:48.111Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-11-07T21:44:36.610487Z","id":"CVE-2021-34736","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-11-07T21:46:33.524Z"}}]}}}