{"api_version":"1","generated_at":"2026-07-23T23:23:20+00:00","cve":"CVE-2022-4087","urls":{"html":"https://cve.report/CVE-2022-4087","api":"https://cve.report/api/cve/CVE-2022-4087.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-4087","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-4087"},"summary":{"title":"CVE-2022-4087","description":"A vulnerability was found in iPXE. It has been declared as problematic. This vulnerability affects the function tls_new_ciphertext of the file src/net/tls.c of the component TLS. The manipulation of the argument pad_len leads to information exposure through discrepancy. The name of the patch is 186306d6199096b7a7c4b4574d4be8cdb8426729. It is recommended to apply a patch to fix this issue. VDB-214054 is the identifier assigned to this vulnerability.","state":"PUBLIC","assigner":"cna@vuldb.com","published_at":"2022-11-21 07:15:00","updated_at":"2023-11-07 03:56:00"},"problem_types":["CWE-203"],"metrics":[],"references":[{"url":"https://vuldb.com/?id.214054","name":"https://vuldb.com/?id.214054","refsource":"MISC","tags":[],"title":"CVE-2022-4087 | iPXE TLS tls.c tls_new_ciphertext information exposure","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/ipxe/ipxe/commit/186306d6199096b7a7c4b4574d4be8cdb8426729","name":"https://github.com/ipxe/ipxe/commit/186306d6199096b7a7c4b4574d4be8cdb8426729","refsource":"MISC","tags":[],"title":"[tls] Treat invalid block padding as zero length padding · ipxe/ipxe@186306d · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-4087","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4087","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"4087","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"ipxe","cpe5":"ipxe","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"4087","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"ipxe_project","cpe5":"ipxe","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2022-4087","TITLE":"iPXE TLS tls.c tls_new_ciphertext information exposure","REQUESTER":"cna@vuldb.com","ASSIGNER":"cna@vuldb.com","STATE":"PUBLIC"},"generator":"vuldb.com","affects":{"vendor":{"vendor_data":[{"vendor_name":"","product":{"product_data":[{"product_name":"iPXE","version":{"version_data":[{"version_value":"n/a"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-284 Improper Access Controls -> CWE-200 Information Disclosure -> CWE-203 Information Exposure Through Discrepancy"}]}]},"description":{"description_data":[{"lang":"eng","value":"A vulnerability was found in iPXE. It has been declared as problematic. This vulnerability affects the function tls_new_ciphertext of the file src/net/tls.c of the component TLS. The manipulation of the argument pad_len leads to information exposure through discrepancy. The name of the patch is 186306d6199096b7a7c4b4574d4be8cdb8426729. It is recommended to apply a patch to fix this issue. VDB-214054 is the identifier assigned to this vulnerability."}]},"impact":{"cvss":{"version":"3.1","baseScore":"2.6","vectorString":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N"}},"references":{"reference_data":[{"url":"https://github.com/ipxe/ipxe/commit/186306d6199096b7a7c4b4574d4be8cdb8426729","refsource":"MISC","name":"https://github.com/ipxe/ipxe/commit/186306d6199096b7a7c4b4574d4be8cdb8426729"},{"url":"https://vuldb.com/?id.214054","refsource":"MISC","name":"https://vuldb.com/?id.214054"}]}},"nvd":{"publishedDate":"2022-11-21 07:15:00","lastModifiedDate":"2023-11-07 03:56:00","problem_types":["CWE-203"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":1.4}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:ipxe:ipxe:*:*:*:*:*:*:*:*","versionEndExcluding":"2022-11-08","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}