{"id":"CVE-2026-20200","state":"PUBLISHED","title":"Cisco Integrated Management Controller Argument Injection and Remote Code Execution Vulnerability","description":"A vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with low privileges to execute arbitrary commands on the underlying operating system of an affected system and elevate privileges to root. \r\n\r\nThis vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by entering crafted inputs to the web-based management interface of the affected software. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system as the root user. ","publishedAt":"2026-08-05T16:18:32.963Z","updatedAt":"2026-09-16T03:55:58.219Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"cisco"},"assigner":"cisco","products":["Cisco Cisco Unified Computing System (Standalone)"],"affected":[{"vendor":"Cisco","product":"Cisco Unified Computing System (Standalone)","defaultStatus":"unknown","versions":[{"version":"4.3(1.230097)","status":"affected"},{"version":"4.3(1.230124)","status":"affected"},{"version":"4.3(1.230138)","status":"affected"},{"version":"4.3(2.230207)","status":"affected"},{"version":"4.3(2.230270)","status":"affected"},{"version":"4.3(2.240002)","status":"affected"},{"version":"4.3(3.240022)","status":"affected"},{"version":"4.3(3.240043)","status":"affected"},{"version":"4.3(4.240142)","status":"affected"},{"version":"4.3(4.240152)","status":"affected"},{"version":"4.3(4.242028)","status":"affected"},{"version":"4.3(4.241063)","status":"affected"},{"version":"4.3(4.242038)","status":"affected"},{"version":"4.3(5.240021)","status":"affected"},{"version":"4.3(4.242066)","status":"affected"},{"version":"4.3(5.250001)","status":"affected"},{"version":"4.3(5.250030)","status":"affected"},{"version":"4.3(6.250040)","status":"affected"},{"version":"4.3(5.250033)","status":"affected"},{"version":"4.3(6.250044)","status":"affected"},{"version":"4.3(6.250053)","status":"affected"},{"version":"4.3(4.252001)","status":"affected"},{"version":"4.3(4.252002)","status":"affected"},{"version":"6.0(1.250127)","status":"affected"},{"version":"6.0(1.250131)","status":"affected"},{"version":"4.3(6.250101)","status":"affected"},{"version":"6.0(1.250174)","status":"affected"},{"version":"4.3(6.250117)","status":"affected"},{"version":"4.3(5.250043)","status":"affected"},{"version":"4.3(6.250039)","status":"affected"},{"version":"4.3(5.250045)","status":"affected"},{"version":"4.3(6.250060)","status":"affected"},{"version":"6.0(1.250130)","status":"affected"},{"version":"4.3(4.241014)","status":"affected"},{"version":"6.0(1.250192)","status":"affected"},{"version":"4.3(6.260003)","status":"affected"},{"version":"6.0(1.250194)","status":"affected"},{"version":"4.3(6.260017)","status":"affected"}]}],"references":["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-arg-inject-upSHdMfU"],"weaknesses":["CWE-141"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/20xxx/CVE-2026-20200.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-20200","state":"PUBLISHED","datePublished":"2026-08-05T16:18:32.963Z","dateUpdated":"2026-09-16T03:55:58.219Z","assignerShortName":"cisco","assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateReserved":"2025-10-08T11:59:15.397Z"},"containers":{"cna":{"title":"Cisco Integrated Management Controller Argument Injection and Remote Code Execution Vulnerability","descriptions":[{"lang":"en","value":"A vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with low privileges to execute arbitrary commands on the underlying operating system of an affected system and elevate privileges to root. \r\n\r\nThis vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by entering crafted inputs to the web-based management interface of the affected software. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system as the root user. "}],"affected":[{"vendor":"Cisco","product":"Cisco Unified Computing System (Standalone)","defaultStatus":"unknown","versions":[{"version":"4.3(1.230097)","status":"affected"},{"version":"4.3(1.230124)","status":"affected"},{"version":"4.3(1.230138)","status":"affected"},{"version":"4.3(2.230207)","status":"affected"},{"version":"4.3(2.230270)","status":"affected"},{"version":"4.3(2.240002)","status":"affected"},{"version":"4.3(3.240022)","status":"affected"},{"version":"4.3(3.240043)","status":"affected"},{"version":"4.3(4.240142)","status":"affected"},{"version":"4.3(4.240152)","status":"affected"},{"version":"4.3(4.242028)","status":"affected"},{"version":"4.3(4.241063)","status":"affected"},{"version":"4.3(4.242038)","status":"affected"},{"version":"4.3(5.240021)","status":"affected"},{"version":"4.3(4.242066)","status":"affected"},{"version":"4.3(5.250001)","status":"affected"},{"version":"4.3(5.250030)","status":"affected"},{"version":"4.3(6.250040)","status":"affected"},{"version":"4.3(5.250033)","status":"affected"},{"version":"4.3(6.250044)","status":"affected"},{"version":"4.3(6.250053)","status":"affected"},{"version":"4.3(4.252001)","status":"affected"},{"version":"4.3(4.252002)","status":"affected"},{"version":"6.0(1.250127)","status":"affected"},{"version":"6.0(1.250131)","status":"affected"},{"version":"4.3(6.250101)","status":"affected"},{"version":"6.0(1.250174)","status":"affected"},{"version":"4.3(6.250117)","status":"affected"},{"version":"4.3(5.250043)","status":"affected"},{"version":"4.3(6.250039)","status":"affected"},{"version":"4.3(5.250045)","status":"affected"},{"version":"4.3(6.250060)","status":"affected"},{"version":"6.0(1.250130)","status":"affected"},{"version":"4.3(4.241014)","status":"affected"},{"version":"6.0(1.250192)","status":"affected"},{"version":"4.3(6.260003)","status":"affected"},{"version":"6.0(1.250194)","status":"affected"},{"version":"4.3(6.260017)","status":"affected"}]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-arg-inject-upSHdMfU","name":"cisco-sa-cimc-arg-inject-upSHdMfU"}],"metrics":[{"format":"cvssV3_1","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-141","lang":"en","description":"Improper Neutralization of Parameter/Argument Delimiters","type":"cwe"}]}],"providerMetadata":{"shortName":"cisco","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","dateUpdated":"2026-09-16T03:55:58.219Z"},"exploits":[{"lang":"en","value":"The Cisco PSIRT is aware that proof-of-concept exploit code is available for CVE-2026-20200.\r\n\r\nThe Cisco PSIRT is not aware of any malicious use of the vulnerabilities that are described in this advisory."}],"source":{"advisory":"cisco-sa-cimc-arg-inject-upSHdMfU","discovery":"EXTERNAL","defects":["CSCwt16342"]}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-05T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-20200"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-06T03:55:43.943Z"}}]}}}