https://vulnerability.circl.lu Contains only the most 10 recent sightings. http://www.rssboard.org/rss-specification python-feedgen en Sun, 07 Jun 2026 08:35:55 +0000 https://vulnerability.circl.lu/sighting/1d8dabad-f645-4e86-bae5-9ad7ffd672ff/export {"uuid": "1d8dabad-f645-4e86-bae5-9ad7ffd672ff", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-41239", "type": "seen", "source": "https://t.me/cibsecurity/38542", "content": "\u203c CVE-2021-41239 \u203c\n\nNextcloud server is a self hosted system designed to provide cloud style services. In affected versions the User Status API did not consider the user enumeration settings by the administrator. This allowed a user to enumerate other users on the instance, even when user listings where disabled. It is recommended that the Nextcloud Server is upgraded to 20.0.14, 21.0.6 or 22.2.1. There are no known workarounds.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2022-03-08T20:40:50.000000Z"} {"uuid": "1d8dabad-f645-4e86-bae5-9ad7ffd672ff", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-41239", "type": "seen", "source": "https://t.me/cibsecurity/38542", "content": "\u203c CVE-2021-41239 \u203c\n\nNextcloud server is a self hosted system designed to provide cloud style services. In affected versions the User Status API did not consider the user enumeration settings by the administrator. This allowed a user to enumerate other users on the instance, even when user listings where disabled. It is recommended that the Nextcloud Server is upgraded to 20.0.14, 21.0.6 or 22.2.1. There are no known workarounds.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2022-03-08T20:40:50.000000Z"} https://vulnerability.circl.lu/sighting/1d8dabad-f645-4e86-bae5-9ad7ffd672ff/export Tue, 08 Mar 2022 20:40:50 +0000 https://vulnerability.circl.lu/sighting/024c168c-4fc1-41e7-be07-e43d5299ae2a/export {"uuid": "024c168c-4fc1-41e7-be07-e43d5299ae2a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-41239", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/13126", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2021-41239\n\ud83d\udd25 CVSS Score: 5.3 (cvssV3_1, Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)\n\ud83d\udd39 Description: Nextcloud server is a self hosted system designed to provide cloud style services. In affected versions the User Status API did not consider the user enumeration settings by the administrator. This allowed a user to enumerate other users on the instance, even when user listings where disabled. It is recommended that the Nextcloud Server is upgraded to 20.0.14, 21.0.6 or 22.2.1. There are no known workarounds.\n\ud83d\udccf Published: 2022-03-08T18:05:12.000Z\n\ud83d\udccf Modified: 2025-04-23T18:58:33.406Z\n\ud83d\udd17 References:\n1. https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g722-cm3h-8wrx\n2. https://github.com/nextcloud/server/issues/27122\n3. https://github.com/nextcloud/server/pull/29260\n4. https://security.gentoo.org/glsa/202208-17", "creation_timestamp": "2025-04-23T19:05:26.000000Z"} {"uuid": "024c168c-4fc1-41e7-be07-e43d5299ae2a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-41239", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/13126", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2021-41239\n\ud83d\udd25 CVSS Score: 5.3 (cvssV3_1, Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)\n\ud83d\udd39 Description: Nextcloud server is a self hosted system designed to provide cloud style services. In affected versions the User Status API did not consider the user enumeration settings by the administrator. This allowed a user to enumerate other users on the instance, even when user listings where disabled. It is recommended that the Nextcloud Server is upgraded to 20.0.14, 21.0.6 or 22.2.1. There are no known workarounds.\n\ud83d\udccf Published: 2022-03-08T18:05:12.000Z\n\ud83d\udccf Modified: 2025-04-23T18:58:33.406Z\n\ud83d\udd17 References:\n1. https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g722-cm3h-8wrx\n2. https://github.com/nextcloud/server/issues/27122\n3. https://github.com/nextcloud/server/pull/29260\n4. https://security.gentoo.org/glsa/202208-17", "creation_timestamp": "2025-04-23T19:05:26.000000Z"} https://vulnerability.circl.lu/sighting/024c168c-4fc1-41e7-be07-e43d5299ae2a/export Wed, 23 Apr 2025 19:05:26 +0000