{"vulnerability": "CVE-2021-27293", "sightings": [{"uuid": "1c2a925a-a2eb-4de8-aa93-21a6ef319765", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-27293", "type": "seen", "source": "https://t.me/cibsecurity/26055", "content": "\u203c CVE-2021-27293 \u203c\n\nRestSharp &lt; 106.11.8-alpha.0.13 uses a regular expression which is vulnerable to Regular Expression Denial of Service (ReDoS) when converting strings into DateTimes. If a server responds with a malicious string, the client using RestSharp will be stuck processing it for an exceedingly long time. Thus the remote server can trigger Denial of Service.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-07-12T14:17:45.000000Z"}, {"uuid": "933f6b01-0526-4632-81ea-028990418f80", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27293", "type": "published-proof-of-concept", "source": "https://t.me/hacking_Attack/17160", "content": "", "creation_timestamp": "2026-09-07T23:00:04.912056Z"}, {"uuid": "772a1618-305e-4340-879c-dc34a392db90", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27293", "type": "seen", "source": "https://t.me/hacking_Attack/17160", "content": "", "creation_timestamp": "2026-09-01T20:02:32.659617Z"}, {"uuid": "7bd3fe63-1116-41db-9440-3487cba21036", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27293", "type": "seen", "source": "https://t.me/hacking_Attack/17172", "content": "", "creation_timestamp": "2026-09-01T20:02:32.118025Z"}]}