{"id":"CVE-2021-28171","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-28171","generatedAt":"2026-10-27T20:22:15.214Z","title":"Attackers can obtain privileged permissions remotely by tampering with users’ data in the Cookie.","description":"The Vangene deltaFlow E-platform does not take properly protective measures. Attackers can obtain privileged permissions remotely by tampering with users’ data in the Cookie.","published":"2021-04-06T12:15:17.000Z","lastModified":"2026-06-17T03:45:57.000Z","status":"Modified","sourceIdentifier":"twcert@cert.org.tw","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-522","CWE-565"],"affected":["deltaflow project/deltaflow"],"epss":{"score":0.01223,"percentile":0.68536,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.chtsecurity.com/news/7f0874b5-516b-4637-842d-b6fb6c335c66","tags":["Third Party Advisory"],"source":"twcert@cert.org.tw"},{"url":"https://www.twcert.org.tw/tw/cp-132-4618-4dcc2-1.html","tags":["Third Party Advisory"],"source":"twcert@cert.org.tw"},{"url":"https://www.chtsecurity.com/news/7f0874b5-516b-4637-842d-b6fb6c335c66","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.twcert.org.tw/tw/cp-132-4618-4dcc2-1.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-28171","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}