https://vulnerability.circl.lu Contains only the most 10 recent sightings. http://www.rssboard.org/rss-specification python-feedgen en Tue, 30 Jun 2026 02:40:20 +0000 https://vulnerability.circl.lu/sighting/138d4414-e53e-4916-9f82-5379332fa672/export {"uuid": "138d4414-e53e-4916-9f82-5379332fa672", "vulnerability_lookup_origin": "caeb2787-0d58-4236-9039-7c86c3e566f3", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-42321", "type": "exploited", "source": "https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/3fcddbd7-bfff-4e41-b452-04f1f9a934af", "content": "", "creation_timestamp": "2026-06-23T14:04:50.338427Z"} {"uuid": "138d4414-e53e-4916-9f82-5379332fa672", "vulnerability_lookup_origin": "caeb2787-0d58-4236-9039-7c86c3e566f3", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-42321", "type": "exploited", "source": "https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/3fcddbd7-bfff-4e41-b452-04f1f9a934af", "content": "", "creation_timestamp": "2026-06-23T14:04:50.338427Z"} https://vulnerability.circl.lu/sighting/138d4414-e53e-4916-9f82-5379332fa672/export Tue, 23 Jun 2026 14:04:50 +0000 https://vulnerability.circl.lu/sighting/1793d7bc-ecd5-45f0-8f19-e5e306041c8e/export {"uuid": "1793d7bc-ecd5-45f0-8f19-e5e306041c8e", "vulnerability_lookup_origin": "caeb2787-0d58-4236-9039-7c86c3e566f3", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-42321", "type": "exploited", "source": "https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/7871e714-1093-4a94-a6ba-363a6b2fd169", "content": "", "creation_timestamp": "2026-06-19T12:47:44.466719Z"} {"uuid": "1793d7bc-ecd5-45f0-8f19-e5e306041c8e", "vulnerability_lookup_origin": "caeb2787-0d58-4236-9039-7c86c3e566f3", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-42321", "type": "exploited", "source": "https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/7871e714-1093-4a94-a6ba-363a6b2fd169", "content": "", "creation_timestamp": "2026-06-19T12:47:44.466719Z"} https://vulnerability.circl.lu/sighting/1793d7bc-ecd5-45f0-8f19-e5e306041c8e/export Fri, 19 Jun 2026 12:47:44 +0000 https://vulnerability.circl.lu/sighting/02c10ab9-3eb5-4563-a93c-d0978a10ac12/export {"uuid": "02c10ab9-3eb5-4563-a93c-d0978a10ac12", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "af0120d0-3dac-4a6a-974b-a9f33d2a9846", "vulnerability": "CVE-2021-42321", "type": "exploited", "source": "https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/043df6f6-a167-4beb-a3a9-0f81632bf69a", "content": "", "creation_timestamp": "2026-02-02T12:28:32.898086Z"} {"uuid": "02c10ab9-3eb5-4563-a93c-d0978a10ac12", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "af0120d0-3dac-4a6a-974b-a9f33d2a9846", "vulnerability": "CVE-2021-42321", "type": "exploited", "source": "https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/043df6f6-a167-4beb-a3a9-0f81632bf69a", "content": "", "creation_timestamp": "2026-02-02T12:28:32.898086Z"} https://vulnerability.circl.lu/sighting/02c10ab9-3eb5-4563-a93c-d0978a10ac12/export Mon, 02 Feb 2026 12:28:32 +0000 https://vulnerability.circl.lu/sighting/1ffc261a-ca70-4d1f-9fdc-f4f31cc964c9/export {"uuid": "1ffc261a-ca70-4d1f-9fdc-f4f31cc964c9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "af0120d0-3dac-4a6a-974b-a9f33d2a9846", "vulnerability": "CVE-2021-42321", "type": "seen", "source": "https://vulnerability.circl.lu/bundle/fdda4963-0aa7-4d15-8a8f-969db8f304ca", "content": "", "creation_timestamp": "2025-02-28T23:49:13.272798Z"} {"uuid": "1ffc261a-ca70-4d1f-9fdc-f4f31cc964c9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "af0120d0-3dac-4a6a-974b-a9f33d2a9846", "vulnerability": "CVE-2021-42321", "type": "seen", "source": "https://vulnerability.circl.lu/bundle/fdda4963-0aa7-4d15-8a8f-969db8f304ca", "content": "", "creation_timestamp": "2025-02-28T23:49:13.272798Z"} https://vulnerability.circl.lu/sighting/1ffc261a-ca70-4d1f-9fdc-f4f31cc964c9/export Fri, 28 Feb 2025 23:49:13 +0000 https://vulnerability.circl.lu/sighting/76b4bd3a-6469-40eb-9df5-5ce99c888ef2/export {"uuid": "76b4bd3a-6469-40eb-9df5-5ce99c888ef2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-42321", "type": "seen", "source": "MISP/a1e796df-2ad8-4c8d-8b69-737a004e72dd", "content": "", "creation_timestamp": "2025-02-23T04:10:40.000000Z"} {"uuid": "76b4bd3a-6469-40eb-9df5-5ce99c888ef2", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-42321", "type": "seen", "source": "MISP/a1e796df-2ad8-4c8d-8b69-737a004e72dd", "content": "", "creation_timestamp": "2025-02-23T04:10:40.000000Z"} https://vulnerability.circl.lu/sighting/76b4bd3a-6469-40eb-9df5-5ce99c888ef2/export Sun, 23 Feb 2025 04:10:40 +0000 https://vulnerability.circl.lu/sighting/1acdd262-9eca-4762-b3f8-94e728b91ee0/export {"uuid": "1acdd262-9eca-4762-b3f8-94e728b91ee0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-42321", "type": "seen", "source": "MISP/3c19819c-1dac-4ef2-bfed-be5efa7e0123", "content": "", "creation_timestamp": "2025-02-23T02:09:58.000000Z"} {"uuid": "1acdd262-9eca-4762-b3f8-94e728b91ee0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-42321", "type": "seen", "source": "MISP/3c19819c-1dac-4ef2-bfed-be5efa7e0123", "content": "", "creation_timestamp": "2025-02-23T02:09:58.000000Z"} https://vulnerability.circl.lu/sighting/1acdd262-9eca-4762-b3f8-94e728b91ee0/export Sun, 23 Feb 2025 02:09:58 +0000 https://vulnerability.circl.lu/sighting/f7c6c09e-e1df-4d00-bc74-1840d7c5bf0b/export {"uuid": "f7c6c09e-e1df-4d00-bc74-1840d7c5bf0b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-42321", "type": "seen", "source": "MISP/a1e796df-2ad8-4c8d-8b69-737a004e72dd", "content": "", "creation_timestamp": "2025-02-06T03:13:45.000000Z"} {"uuid": "f7c6c09e-e1df-4d00-bc74-1840d7c5bf0b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-42321", "type": "seen", "source": "MISP/a1e796df-2ad8-4c8d-8b69-737a004e72dd", "content": "", "creation_timestamp": "2025-02-06T03:13:45.000000Z"} https://vulnerability.circl.lu/sighting/f7c6c09e-e1df-4d00-bc74-1840d7c5bf0b/export Thu, 06 Feb 2025 03:13:45 +0000 https://vulnerability.circl.lu/sighting/d00d3389-d72d-42bc-8738-35c310d4d98f/export {"uuid": "d00d3389-d72d-42bc-8738-35c310d4d98f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-42321", "type": "seen", "source": "https://feedsin.space/feed/CISAKevBot/items/2971173", "content": "", "creation_timestamp": "2024-12-24T20:25:21.295711Z"} {"uuid": "d00d3389-d72d-42bc-8738-35c310d4d98f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-42321", "type": "seen", "source": "https://feedsin.space/feed/CISAKevBot/items/2971173", "content": "", "creation_timestamp": "2024-12-24T20:25:21.295711Z"} https://vulnerability.circl.lu/sighting/d00d3389-d72d-42bc-8738-35c310d4d98f/export Tue, 24 Dec 2024 20:25:21 +0000 https://vulnerability.circl.lu/sighting/d5334ee8-7441-4edc-900b-3451031a6776/export {"uuid": "d5334ee8-7441-4edc-900b-3451031a6776", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "af0120d0-3dac-4a6a-974b-a9f33d2a9846", "vulnerability": "CVE-2021-42321", "type": "seen", "source": "https://vulnerability.circl.lu/bundle/c54ba016-1255-4e07-9fb6-686f9a0a936b", "content": "", "creation_timestamp": "2024-12-06T06:02:25.058002Z"} {"uuid": "d5334ee8-7441-4edc-900b-3451031a6776", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "af0120d0-3dac-4a6a-974b-a9f33d2a9846", "vulnerability": "CVE-2021-42321", "type": "seen", "source": "https://vulnerability.circl.lu/bundle/c54ba016-1255-4e07-9fb6-686f9a0a936b", "content": "", "creation_timestamp": "2024-12-06T06:02:25.058002Z"} https://vulnerability.circl.lu/sighting/d5334ee8-7441-4edc-900b-3451031a6776/export Fri, 06 Dec 2024 06:02:25 +0000 https://vulnerability.circl.lu/sighting/def89f30-d24f-4dcf-abed-5c576ade6333/export {"uuid": "def89f30-d24f-4dcf-abed-5c576ade6333", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-42321", "type": "seen", "source": "https://t.me/arpsyndicate/1842", "content": "#ExploitObserverAlert\n\nCVE-2021-42321\n\nDESCRIPTION: Exploit Observer has 36 entries related to CVE-2021-42321. Microsoft Exchange Server Remote Code Execution Vulnerability\n\nFIRST-EPSS: 0.913120000\nNVD-IS: 5.9\nNVD-ES: 2.8", "creation_timestamp": "2023-12-17T21:18:36.000000Z"} {"uuid": "def89f30-d24f-4dcf-abed-5c576ade6333", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-42321", "type": "seen", "source": "https://t.me/arpsyndicate/1842", "content": "#ExploitObserverAlert\n\nCVE-2021-42321\n\nDESCRIPTION: Exploit Observer has 36 entries related to CVE-2021-42321. Microsoft Exchange Server Remote Code Execution Vulnerability\n\nFIRST-EPSS: 0.913120000\nNVD-IS: 5.9\nNVD-ES: 2.8", "creation_timestamp": "2023-12-17T21:18:36.000000Z"} https://vulnerability.circl.lu/sighting/def89f30-d24f-4dcf-abed-5c576ade6333/export Sun, 17 Dec 2023 21:18:36 +0000