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  <id>https://vulnerability.circl.lu/sightings/feed</id>
  <title>Most recent sightings.</title>
  <updated>2026-06-22T22:24:05.819217+00:00</updated>
  <author>
    <name>Vulnerability-Lookup</name>
    <email>info@circl.lu</email>
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  <subtitle>Contains only the most 10 recent sightings.</subtitle>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/a52e418d-bef3-42ac-8e92-6489c101c385/export</id>
    <title>a52e418d-bef3-42ac-8e92-6489c101c385</title>
    <updated>2026-06-22T22:24:06.128308+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "a52e418d-bef3-42ac-8e92-6489c101c385", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-27877", "type": "seen", "source": "https://t.me/arpsyndicate/2684", "content": "#ExploitObserverAlert\n\nCVE-2021-27877\n\nDESCRIPTION: Exploit Observer has 5 entries related to CVE-2021-27877. An issue was discovered in Veritas Backup Exec before 21.2. It supports multiple authentication schemes: SHA authentication is one of these. This authentication scheme is no longer used in current versions of the product, but hadn't yet been disabled. An attacker could remotely exploit this scheme to gain unauthorized access to an Agent and execute privileged commands.\n\nFIRST-EPSS: 0.675550000\nNVD-IS: 5.9\nNVD-ES: 3.9", "creation_timestamp": "2024-01-08T21:51:56.000000Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/a52e418d-bef3-42ac-8e92-6489c101c385/export"/>
    <published>2024-01-08T21:51:56+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/ee5feb48-49a1-4e6b-b430-31cad48fe674/export</id>
    <title>ee5feb48-49a1-4e6b-b430-31cad48fe674</title>
    <updated>2026-06-22T22:24:06.128245+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "ee5feb48-49a1-4e6b-b430-31cad48fe674", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-27877", "type": "seen", "source": "https://feedsin.space/feed/CISAKevBot/items/2971794", "content": "", "creation_timestamp": "2024-12-24T20:34:08.668829Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/ee5feb48-49a1-4e6b-b430-31cad48fe674/export"/>
    <published>2024-12-24T20:34:08.668829+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/56a455bd-d546-41b8-9f43-aadffbcee4bf/export</id>
    <title>56a455bd-d546-41b8-9f43-aadffbcee4bf</title>
    <updated>2026-06-22T22:24:06.128183+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "56a455bd-d546-41b8-9f43-aadffbcee4bf", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-27877", "type": "seen", "source": "MISP/a1e796df-2ad8-4c8d-8b69-737a004e72dd", "content": "", "creation_timestamp": "2025-02-06T03:13:45.000000Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/56a455bd-d546-41b8-9f43-aadffbcee4bf/export"/>
    <published>2025-02-06T03:13:45+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/eedda610-244b-409c-be27-37771dfd658e/export</id>
    <title>eedda610-244b-409c-be27-37771dfd658e</title>
    <updated>2026-06-22T22:24:06.128119+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "eedda610-244b-409c-be27-37771dfd658e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-27877", "type": "seen", "source": "MISP/3c19819c-1dac-4ef2-bfed-be5efa7e0123", "content": "", "creation_timestamp": "2025-02-23T02:10:29.000000Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/eedda610-244b-409c-be27-37771dfd658e/export"/>
    <published>2025-02-23T02:10:29+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/a8e5aec1-914b-46cd-be90-b227825d4554/export</id>
    <title>a8e5aec1-914b-46cd-be90-b227825d4554</title>
    <updated>2026-06-22T22:24:06.128052+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "a8e5aec1-914b-46cd-be90-b227825d4554", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-27877", "type": "seen", "source": "MISP/a1e796df-2ad8-4c8d-8b69-737a004e72dd", "content": "", "creation_timestamp": "2025-02-23T04:10:36.000000Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/a8e5aec1-914b-46cd-be90-b227825d4554/export"/>
    <published>2025-02-23T04:10:36+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/c6444dd7-f812-448a-92ff-315a98386523/export</id>
    <title>c6444dd7-f812-448a-92ff-315a98386523</title>
    <updated>2026-06-22T22:24:06.127984+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "c6444dd7-f812-448a-92ff-315a98386523", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-27877", "type": "seen", "source": "MISP/d17bd6ef-d68b-317b-ac33-cdbc44c5fc57", "content": "", "creation_timestamp": "2025-08-31T03:12:59.000000Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/c6444dd7-f812-448a-92ff-315a98386523/export"/>
    <published>2025-08-31T03:12:59+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/b96a7a34-8b36-491f-ac62-1acdacd71ad0/export</id>
    <title>b96a7a34-8b36-491f-ac62-1acdacd71ad0</title>
    <updated>2026-06-22T22:24:06.127913+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "b96a7a34-8b36-491f-ac62-1acdacd71ad0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-27877", "type": "confirmed", "source": "https://github.com/projectdiscovery/nuclei-templates/tree/main/network/cves/2021/CVE-2021-27877.yaml", "content": "", "creation_timestamp": "2025-10-22T09:08:54.000000Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/b96a7a34-8b36-491f-ac62-1acdacd71ad0/export"/>
    <published>2025-10-22T09:08:54+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/27bbeeb4-ccbf-41e4-89a2-1914420cc2d3/export</id>
    <title>27bbeeb4-ccbf-41e4-89a2-1914420cc2d3</title>
    <updated>2026-06-22T22:24:06.127828+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "27bbeeb4-ccbf-41e4-89a2-1914420cc2d3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-27877", "type": "seen", "source": "https://bsky.app/profile/beikokucyber.bsky.social/post/3m3vb25cxjb2e", "content": "", "creation_timestamp": "2025-10-23T21:02:32.401175Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/27bbeeb4-ccbf-41e4-89a2-1914420cc2d3/export"/>
    <published>2025-10-23T21:02:32.401175+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/64099aaf-a075-4ebd-9183-c2aa66028af0/export</id>
    <title>64099aaf-a075-4ebd-9183-c2aa66028af0</title>
    <updated>2026-06-22T22:24:06.127063+00:00</updated>
    <author>
      <name>Cédric Bonhomme</name>
      <uri>https://vulnerability.circl.lu/user/cedric</uri>
    </author>
    <content>{"uuid": "64099aaf-a075-4ebd-9183-c2aa66028af0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "af0120d0-3dac-4a6a-974b-a9f33d2a9846", "vulnerability": "CVE-2021-27877", "type": "exploited", "source": "https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/69c2bbb8-9db3-478c-bfac-40f615b5d907", "content": "", "creation_timestamp": "2026-02-02T12:27:01.781626Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/64099aaf-a075-4ebd-9183-c2aa66028af0/export"/>
    <published>2026-02-02T12:27:01.781626+00:00</published>
  </entry>
  <entry>
    <id>https://vulnerability.circl.lu/sighting/80b71b83-a66b-4666-9111-f8f0338aef21/export</id>
    <title>80b71b83-a66b-4666-9111-f8f0338aef21</title>
    <updated>2026-06-22T22:24:06.124761+00:00</updated>
    <author>
      <name>Automation user</name>
      <uri>https://vulnerability.circl.lu/user/automation</uri>
    </author>
    <content>{"uuid": "80b71b83-a66b-4666-9111-f8f0338aef21", "vulnerability_lookup_origin": "caeb2787-0d58-4236-9039-7c86c3e566f3", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-27877", "type": "exploited", "source": "https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/4d2a3694-8d2f-40f9-be9d-9864a07ab493", "content": "", "creation_timestamp": "2026-06-19T12:46:56.947968Z"}</content>
    <link href="https://vulnerability.circl.lu/sighting/80b71b83-a66b-4666-9111-f8f0338aef21/export"/>
    <published>2026-06-19T12:46:56.947968+00:00</published>
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