{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-42058",
        "assignerOrgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
        "state": "PUBLISHED",
        "assignerShortName": "f5",
        "dateReserved": "2026-04-30T23:04:20.031Z",
        "datePublished": "2026-05-13T14:12:40.933Z",
        "dateUpdated": "2026-07-02T15:10:35.781Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unknown",
                    "modules": [
                        "All Modules"
                    ],
                    "product": "BIG-IP",
                    "vendor": "F5",
                    "versions": [
                        {
                            "lessThan": "*",
                            "status": "unaffected",
                            "version": "21.1.0",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "21.0.0.2",
                            "status": "affected",
                            "version": "21.0.0",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "17.5.1.6",
                            "status": "affected",
                            "version": "17.5.0",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "17.1.3.2",
                            "status": "affected",
                            "version": "17.1.0",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "*",
                            "status": "affected",
                            "version": "16.1.0",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "F5 acknowledges Abutalib Alhassan Zarban for bringing this issue to our attention and following the highest standards of coordinated disclosure."
                }
            ],
            "datePublic": "2026-05-13T14:00:00.000Z",
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<span style=\"background-color: rgb(255, 255, 255);\">An authenticated attacker's undisclosed requests to BIG-IP iControl REST can lead to an information leak of BIG-IP local user account names.</span>&nbsp; Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."
                        }
                    ],
                    "value": "An authenticated attacker's undisclosed requests to BIG-IP iControl REST can lead to an information leak of BIG-IP local user account names.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 4.3,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "LOW",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
                        "version": "3.1"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                },
                {
                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "attackVector": "NETWORK",
                        "baseScore": 5.3,
                        "baseSeverity": "MEDIUM",
                        "privilegesRequired": "LOW",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "NONE",
                        "vulnConfidentialityImpact": "LOW",
                        "vulnIntegrityImpact": "NONE",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-732",
                            "description": "CWE-732 Incorrect Permission Assignment for Critical Resource",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
                "shortName": "f5",
                "dateUpdated": "2026-07-02T15:10:35.781Z"
            },
            "references": [
                {
                    "tags": [
                        "vendor-advisory",
                        "patch"
                    ],
                    "url": "https://my.f5.com/manage/s/article/K000160903"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "BIG-IP iControl REST vulnerability",
            "x_generator": {
                "engine": "F5 SIRTBot v1.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-05-14T03:56:07.996772Z",
                                "id": "CVE-2026-42058",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-05-14T10:32:31.572Z"
                }
            }
        ]
    }
}