{"vulnerability": "CVE-2021-22946", "sightings": [{"uuid": "3385db36-c6ae-4a6c-a12b-5f2c3b5fa7b0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-22946", "type": "seen", "source": "https://bsky.app/profile/cyberhub.blog/post/3mjo2ekwqut2l", "content": "", "creation_timestamp": "2026-04-17T04:07:08.767737Z"}, {"uuid": "d73575ca-606a-40c6-8326-e5d03f051104", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-22946", "type": "seen", "source": "https://t.me/ctinow/40326", "content": "curl: CVE-2021-22946: Protocol downgrade required TLS bypassed\n\nhttps://ift.tt/3lOM9fK", "creation_timestamp": "2021-09-24T16:11:22.000000Z"}, {"uuid": "4ca931ac-ab04-48c6-b4c4-ab545cb54c4c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-22946", "type": "seen", "source": "https://t.me/cibsecurity/29681", "content": "\u203c CVE-2021-22946 \u203c\n\nA user can tell curl >= 7.20.0 and <= 7.78.0 to require a successful upgrade to TLS when speaking to an IMAP, POP3 or FTP server (`--ssl-reqd` on the command line or`CURLOPT_USE_SSL` set to `CURLUSESSL_CONTROL` or `CURLUSESSL_ALL` withlibcurl). This requirement could be bypassed if the server would return a properly crafted but perfectly legitimate response.This flaw would then make curl silently continue its operations **withoutTLS** contrary to the instructions and expectations, exposing possibly sensitive data in clear text over the network.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-09-30T00:37:08.000000Z"}, {"uuid": "f8c7eec9-640e-4416-985f-a97423d3d718", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-22946", "type": "seen", "source": "https://gist.github.com/tu-trinh-scale/56f8d2ecc5da5c10bf8806441d83d32d", "content": "", "creation_timestamp": "2026-07-24T23:24:28.114942Z"}, {"uuid": "28239a4a-9249-4f5e-8db6-c2478f6e2d91", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-22946", "type": "seen", "source": "https://gist.github.com/tu-trinh-scale/aba9a854776ac8dfd13107630088c3d8", "content": "", "creation_timestamp": "2026-07-24T23:24:27.738766Z"}, {"uuid": "e981ff08-df67-48e3-a972-5fece6e3f2e7", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-22946", "type": "seen", "source": "https://gist.github.com/tu-trinh-scale/859e6bf0e64ab279863b000e82acb54c", "content": "", "creation_timestamp": "2026-07-24T23:24:27.319136Z"}, {"uuid": "0d3cdd43-e252-4685-9867-bca4d379624f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-22946", "type": "seen", "source": "https://gist.github.com/tu-trinh-scale/56f8d2ecc5da5c10bf8806441d83d32d", "content": "", "creation_timestamp": "2026-07-25T00:00:19.231265Z"}, {"uuid": "4b9d31e3-a58c-4161-b5f4-29d600c21c62", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-22946", "type": "seen", "source": "https://gist.github.com/tu-trinh-scale/aba9a854776ac8dfd13107630088c3d8", "content": "", "creation_timestamp": "2026-07-25T00:00:18.862940Z"}, {"uuid": "67701d71-171f-4ca0-ae7a-314ebf4e7cd9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-22946", "type": "seen", "source": "https://gist.github.com/tu-trinh-scale/859e6bf0e64ab279863b000e82acb54c", "content": "", "creation_timestamp": "2026-07-25T00:00:18.516276Z"}]}