{"id":"CVE-2021-38997","state":"PUBLISHED","title":"IBM API Connect HOST header injection","description":"IBM API Connect V10.0.0.0 through V10.0.5.0, V10.0.1.0 through V10.0.1.7, and V2018.4.1.0 through 2018.4.1.19 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers.  This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.  IBM X-Force ID:  213212.","publishedAt":"2022-12-01T17:00:59.602Z","updatedAt":"2025-04-23T15:11:05.790Z","severity":{"score":5.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","source":"ibm"},"assigner":"ibm","products":["IBM API Connect"],"affected":[{"vendor":"IBM","product":"API Connect","defaultStatus":"unaffected","versions":[{"version":"10.0.0.0","status":"affected","lessThan":"10.0.5.0","versionType":"semver"},{"version":"10.0.1.0","status":"affected","lessThan":"10.0.1.7","versionType":"semver"},{"version":"2018.4.1.0","status":"affected","lessThan":"2018.4.1.19","versionType":"semver"}]}],"references":["https://www.ibm.com/support/pages/node/6842621","https://exchange.xforce.ibmcloud.com/vulnerabilities/213212"],"weaknesses":["CWE-644"],"ingestedAt":"2026-10-29T19:48:49.871Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/38xxx/CVE-2021-38997.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-38997","state":"PUBLISHED","datePublished":"2022-12-01T17:00:59.602Z","dateUpdated":"2025-04-23T15:11:05.790Z","assignerShortName":"ibm","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","requesterUserId":"520cc88b-a1c8-44f6-9154-21a4d74c769f","dateReserved":"2021-08-16T18:59:46.256Z"},"containers":{"cna":{"title":"IBM API Connect HOST header injection","descriptions":[{"lang":"en","value":"IBM API Connect V10.0.0.0 through V10.0.5.0, V10.0.1.0 through V10.0.1.7, and V2018.4.1.0 through 2018.4.1.19 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers.  This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.  IBM X-Force ID:  213212."}],"affected":[{"vendor":"IBM","product":"API Connect","defaultStatus":"unaffected","versions":[{"version":"10.0.0.0","status":"affected","lessThan":"10.0.5.0","versionType":"semver"},{"version":"10.0.1.0","status":"affected","lessThan":"10.0.1.7","versionType":"semver"},{"version":"2018.4.1.0","status":"affected","lessThan":"2018.4.1.19","versionType":"semver"}]}],"references":[{"url":"https://www.ibm.com/support/pages/node/6842621","tags":["vendor-advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/213212","tags":["vdb-entry"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-644","description":"CWE-644 Improper Neutralization of HTTP Headers for Scripting Syntax","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"ibm","orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","dateUpdated":"2022-12-12T01:49:10.008Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.ibm.com/support/pages/node/6842621","tags":["vendor-advisory","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/213212","tags":["vdb-entry","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T01:58:17.566Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-23T15:10:46.950448Z","id":"CVE-2021-38997","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-04-23T15:11:05.790Z"}}]}}}