{"vulnerability": "CVE-2021-25635", "sightings": [{"uuid": "d23b57f8-e5a6-4800-bf9e-fa45f8bad1c8", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-25635", "type": "seen", "source": "https://t.me/cvedetector/20827", "content": "{\n  \"Source\": \"CVE FEED\",\n  \"Title\": \"CVE-2021-25635 - LibreOffice Improper Certificate Validation Certificate Spoofing Vulnerability\", \n  \"Content\": \"CVE ID : CVE-2021-25635 \nPublished : March 21, 2025, 3:15 p.m. | 1\u00a0hour, 28\u00a0minutes ago \nDescription : An Improper Certificate Validation vulnerability in LibreOffice allowed   \nan attacker to self sign an ODF document, with a signature untrusted by   \nthe target, then modify it to change the signature algorithm to an   \ninvalid (or unknown to LibreOffice) algorithm and LibreOffice would incorrectly present such a signature with an unknown algorithm as a   \nvalid signature issued by a trusted person  \n  \n  \nThis issue affects LibreOffice: from 7.0 before 7.0.5, from 7.1 before 7.1.1. \nSeverity: 0.0 | NA \nVisit the link for more details, such as CVSS details, affected products, timeline, and more...\",\n  \"Detection Date\": \"21 Mar 2025\",\n  \"Type\": \"Vulnerability\"\n}\n\ud83d\udd39 t.me/cvedetector \ud83d\udd39", "creation_timestamp": "2025-03-21T18:29:17.000000Z"}, {"uuid": "4d1d13ee-cfb8-441c-ba91-f8fcc96b1a8c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-25635", "type": "seen", "source": "MISP/3e4b778d-5810-4171-a915-f1d106684af4", "content": "", "creation_timestamp": "2025-08-11T18:27:49.000000Z"}, {"uuid": "b8fabf81-e3c7-43df-bfb5-4fa2684d33cb", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-25635", "type": "seen", "source": "https://t.me/DarkWebInformer_CVEAlerts/8349", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2021-25635\n\ud83d\udd25 CVSS Score: 5.2 (cvssV4_0, Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H)\n\ud83d\udd39 Description: An Improper Certificate Validation vulnerability in LibreOffice allowed \nan attacker to self sign an ODF document, with a signature untrusted by \nthe target, then modify it to change the signature algorithm to an \ninvalid (or unknown to LibreOffice) algorithm and LibreOffice would incorrectly present such a signature with an unknown algorithm as a \nvalid signature issued by a trusted person\n\n\nThis issue affects LibreOffice: from 7.0 before 7.0.5, from 7.1 before 7.1.1.\n\ud83d\udccf Published: 2025-03-21T14:52:50.484Z\n\ud83d\udccf Modified: 2025-03-21T15:13:24.100Z\n\ud83d\udd17 References:\n1. https://www.libreoffice.org/about-us/security/advisories/cve-2021-25635/", "creation_timestamp": "2025-03-21T15:19:27.000000Z"}]}