CVE-2021-22876

{"id": "CVE-2021-22876", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-22876", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2025-06-09T14:54:20.546763Z"}}], "cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "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:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "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:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "affected": [{"source": "support@hackerone.com", "affectedData": [{"vendor": "n/a", "product": "https://github.com/curl/curl", "versions": [{"status": "affected", "version": "7.1.1 to and including 7.75.0"}]}]}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "affectedData": [{"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "versions": [{"status": "affected", "version": "V3.1.0", "lessThan": "V3.1.5", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "versions": [{"status": "affected", "version": "V3.1.0", "lessThan": "V3.1.5", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "versions": [{"status": "affected", "version": "V3.1.0", "lessThan": "V3.1.5", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "versions": [{"status": "affected", "version": "V3.1.0", "lessThan": "V3.1.5", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP", "versions": [{"status": "affected", "version": "V3.1.0", "lessThan": "V3.1.5", "versionType": "custom"}], "defaultStatus": "unknown"}]}], "published": "2021-04-01T18:15:12.823", "references": [{"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf", "tags": ["Patch", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://curl.se/docs/CVE-2021-22876.html", "tags": ["Patch", "Vendor Advisory"], "source": "support@hackerone.com"}, {"url": "https://hackerone.com/reports/1101882", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00019.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ZC5BMIOKLBQJSFCHEDN2G2C2SH274BP/", "tags": ["Mailing List", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITVWPVGLFISU5BJC2BXBRYSDXTXE2YGC/", "tags": ["Mailing List", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQUIOYX2KUU6FIUZVB5WWZ6JHSSYSQWJ/", "tags": ["Mailing List", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://security.gentoo.org/glsa/202105-36", "tags": ["Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://security.netapp.com/advisory/ntap-20210521-0007/", "tags": ["Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://www.oracle.com//security-alerts/cpujul2021.html", "tags": ["Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://curl.se/docs/CVE-2021-22876.html", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://hackerone.com/reports/1101882", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00019.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ZC5BMIOKLBQJSFCHEDN2G2C2SH274BP/", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ITVWPVGLFISU5BJC2BXBRYSDXTXE2YGC/", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQUIOYX2KUU6FIUZVB5WWZ6JHSSYSQWJ/", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/202105-36", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.netapp.com/advisory/ntap-20210521-0007/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.oracle.com//security-alerts/cpujul2021.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://cert-portal.siemens.com/productcert/html/ssa-389290.html", "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}, {"url": "https://cert-portal.siemens.com/productcert/html/ssa-398330.html", "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "support@hackerone.com", "description": [{"lang": "en", "value": "CWE-359"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "curl 7.1.1 to and including 7.75.0 is vulnerable to an \"Exposure of Private Personal Information to an Unauthorized Actor\" by leaking credentials in the HTTP Referer: header. libcurl does not strip off user credentials from the URL when automatically populating the Referer: HTTP request header field in outgoing HTTP requests, and therefore risks leaking sensitive data to the server that is the target of the second HTTP request."}, {"lang": "es", "value": "curl versiones 7.1.1 hasta 7.75.0 incluy\u00e9ndola, es vulnerable a una \"Exposure of Private Personal Information to an Unauthorized Actor\" al filtrar credenciales en el encabezado HTTP Referer:. libcurl no elimina las credenciales de usuario de la URL cuando completa autom\u00e1ticamente el campo de encabezado de petici\u00f3n HTTP Referer: en peticiones HTTP salientes y, por lo tanto, corre el riesgo de filtrar datos confidenciales al servidor que es el objetivo de la segunda petici\u00f3n HTTP."}], "lastModified": "2026-10-14T11:16:52.113", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E7911980-1217-467C-8423-6D8928FACF70", "versionEndIncluding": "7.75.0", "versionStartIncluding": "7.1.1"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "36D96259-24BD-44E2-96D9-78CE1D41F956"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A3C19813-E823-456A-B1CE-EC0684CE1953"}, {"criteria": "cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A6E9EF0C-AFA8-4F7B-9FDC-1E0F7C26E737"}, {"criteria": "cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AD7447BC-F315-4298-A822-549942FC118B"}, {"criteria": "cpe:2.3:h:netapp:hci_storage_node:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "02DEB4FB-A21D-4CB1-B522-EEE5093E8521"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:broadcom:fabric_operating_system:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "046FB51E-B768-44D3-AEB5-D857145CA840"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B0F46497-4AB0-49A7-9453-CC26837BF253", "versionEndExcluding": "1.0.1.1"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:oracle:communications_billing_and_revenue_management:12.0.0.3.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E39D442D-1997-49AF-8B02-5640BE2A26CC"}, {"criteria": "cpe:2.3:a:oracle:essbase:21.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "394A16F2-CCD4-44E5-BF6B-E0C782A9FA38"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5722E753-75DE-4944-A11B-556CB299B57D", "versionEndExcluding": "8.2.12", "versionStartIncluding": "8.2.0"}, {"criteria": "cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DC0F9351-81A4-4FEA-B6B5-6E960A933D32", "versionEndExcluding": "9.0.6", "versionStartIncluding": "9.0.0"}, {"criteria": "cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EED24E67-2957-4C1B-8FEA-E2D2FE7B97FC"}], "operator": "OR"}]}], "sourceIdentifier": "support@hackerone.com"}