{"vulnerability": "cve-2021-27137", "sightings": [{"uuid": "892f8cd5-f027-4216-a9f4-820c5d13baeb", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27137", "type": "seen", "source": "https://bsky.app/profile/virusbtn.bsky.social/post/3mnhb5w3wbk2o", "content": "", "creation_timestamp": "2026-06-04T09:00:52.029145Z"}, {"uuid": "1c1cf615-6580-4be5-9d3e-b5ee02a3e847", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27137", "type": "seen", "source": "https://infosec.exchange/users/VirusBulletin/statuses/116691019017195575", "content": "", "creation_timestamp": "2026-06-04T09:00:51.199952Z"}, {"uuid": "0db5a276-5700-44ef-a0a4-ed1c0f59eb86", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27137", "type": "seen", "source": "https://bsky.app/profile/hendryadrian.bsky.social/post/3mnj5ifvhld2l", "content": "", "creation_timestamp": "2026-06-05T03:00:26.524345Z"}, {"uuid": "0ff28e04-7384-4ba6-8379-84881a799956", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27137", "type": "seen", "source": "https://bsky.app/profile/hendryadrian.bsky.social/post/3mnpqpkmbya2x", "content": "", "creation_timestamp": "2026-06-07T18:00:26.647208Z"}, {"uuid": "220ff201-319d-45fa-b93a-c0d64ec6e6fb", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "cve-2021-27137", "type": "seen", "source": "https://bsky.app/profile/ahmandonk.bsky.social/post/3mnqwigyq2f24", "content": "", "creation_timestamp": "2026-06-08T05:16:28.674906Z"}, {"uuid": "f29e11e4-a0a7-443e-8ccd-6f6c5a6968ca", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27137", "type": "seen", "source": "MISP/297905e4-0013-43d5-9bfe-ad728dc8cf58", "content": "", "creation_timestamp": "2026-06-11T10:57:44.000000Z"}, {"uuid": "bab7d94d-69de-4c65-8571-a3025be69b6e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27137", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mqrwzmanf62c", "content": "", "creation_timestamp": "2026-07-16T19:14:18.987234Z"}, {"uuid": "b7fb2e2a-a50d-4a4d-b636-4f5e369c6214", "vulnerability_lookup_origin": "405284c2-e461-4670-8979-7fd2c9755a60", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-27137", "type": "exploited", "source": "https://db.gcve.eu/known-exploited-vulnerabilities-catalog/4506ea66-f896-44ce-a99e-74867905cb26", "content": "", "creation_timestamp": "2026-07-21T15:00:01.838000Z"}, {"uuid": "d1f52ff9-8ef1-4add-83cb-453108bee78d", "vulnerability_lookup_origin": "caeb2787-0d58-4236-9039-7c86c3e566f3", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-27137", "type": "exploited", "source": "https://db.gcve.eu/known-exploited-vulnerabilities-catalog/6f8d2045-aa6d-4b1d-ba59-8e3808313b44", "content": "", "creation_timestamp": "2026-07-21T15:00:38.961212Z"}, {"uuid": "894ae1ee-226d-40d3-bf27-9f247e5f95ad", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27137", "type": "seen", "source": "https://bsky.app/profile/cvesentinel.bsky.social/post/3mr62lvr2v72h", "content": "", "creation_timestamp": "2026-07-21T14:50:11.019405Z"}, {"uuid": "7e990f38-6b6e-4381-b108-364459e1ac90", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27137", "type": "seen", "source": "https://www.cisa.gov/news-events/alerts/2026/07/21/cisa-adds-four-known-exploited-vulnerabilities-catalog", "content": "", "creation_timestamp": "2026-07-21T16:15:02.833114Z"}, {"uuid": "5f772955-3199-479e-8e2d-f0c54a9e4082", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27137", "type": "seen", "source": "https://bsky.app/profile/happeningnow.news/post/3mr6akwgum72q", "content": "", "creation_timestamp": "2026-07-21T16:37:00.571360Z"}, {"uuid": "2bb70070-d375-4b7c-94fd-8499907440fc", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27137", "type": "seen", "source": "https://bsky.app/profile/cyberhub.blog/post/3mr7agdtno72s", "content": "", "creation_timestamp": "2026-07-22T02:07:06.893277Z"}, {"uuid": "42ebf7f5-fecd-4e44-9d0b-8d3951fe5714", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27137", "type": "seen", "source": "https://bsky.app/profile/thecybermind.co/post/3mr7giaghtj24", "content": "", "creation_timestamp": "2026-07-22T03:55:33.338101Z"}, {"uuid": "59278417-b127-438a-8b57-83148b22e2a3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27137", "type": "seen", "source": "https://bsky.app/profile/termsofsurrender.bsky.social/post/3mr7joxowrf2g", "content": "", "creation_timestamp": "2026-07-22T04:53:00.030868Z"}, {"uuid": "6a64e3b4-36e9-441b-bb81-6d078c1c7d42", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27137", "type": "seen", "source": "https://bsky.app/profile/netsecio.bsky.social/post/3mrarr25fd22q", "content": "", "creation_timestamp": "2026-07-22T16:49:59.647852Z"}, {"uuid": "c0bfe1d6-1fa7-43b6-bb17-f2c3dc4c00b3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27137", "type": "seen", "source": "https://mastodon.social/ap/users/115426718704364579/statuses/116964653150323533", "content": "", "creation_timestamp": "2026-07-22T16:49:32.001199Z"}, {"uuid": "45c23242-7294-4a36-9621-6b4a81a564a3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27137", "type": "seen", "source": "https://bsky.app/profile/shortinfo.bsky.social/post/3ms62hv6hli2m", "content": "", "creation_timestamp": "2026-08-03T08:13:08.002591Z"}, {"uuid": "327ed30b-286b-445e-a738-effd58181f54", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-27137", "type": "seen", "source": "https://bsky.app/profile/shortinfo.bsky.social/post/3mspnhhhkyz2m", "content": "", "creation_timestamp": "2026-08-10T08:08:10.522516Z"}]}