CVE-2026-21755

{"id": "CVE-2026-21755", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21755", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-24T15:01:01.240631Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@hcl.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "affected": [{"source": "psirt@hcl.com", "affectedData": [{"vendor": "HCLSoftware", "product": "HCL Hive", "versions": [{"status": "affected", "version": "1.0"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-24T15:16:37.693", "references": [{"url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0131731", "source": "psirt@hcl.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "psirt@hcl.com", "description": [{"lang": "en", "value": "CWE-307"}]}], "descriptions": [{"lang": "en", "value": "HCL Hive is affected by a missing rate limit which could allow an attacker unauthorized access via brute-force or credential stuffing attacks, or cause a denial of service."}], "lastModified": "2026-08-28T15:46:19.387", "sourceIdentifier": "psirt@hcl.com"}