{"id":"CVE-2020-27207","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-27207","generatedAt":"2026-10-27T22:26:25.291Z","title":"Zetetic SQLCipher 4.x before 4.4.1 has a use-after-free, related to sqlcipher_codec_pragma and sqlite3Strlen30 in sqlite3.c.","description":"Zetetic SQLCipher 4.x before 4.4.1 has a use-after-free, related to sqlcipher_codec_pragma and sqlite3Strlen30 in sqlite3.c. A remote denial of service attack can be performed. For example, a SQL injection can be used to execute the crafted SQL command sequence. After that, some unexpected RAM data is read.","published":"2020-11-26T17:15:11.000Z","lastModified":"2026-06-17T03:08:56.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-416"],"affected":["zetetic/sqlcipher"],"epss":{"score":0.01592,"percentile":0.75508,"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 (1.59%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/sqlcipher/sqlcipher/compare/v4.4.0...v4.4.1","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.telekom.com/en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.telekom.com/resource/blob/612796/9f221708832a465f03585a45d7f59b45/dl-201112-denial-of-serviceen-data.pdf","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/sqlcipher/sqlcipher/compare/v4.4.0...v4.4.1","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.telekom.com/en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.telekom.com/resource/blob/612796/9f221708832a465f03585a45d7f59b45/dl-201112-denial-of-serviceen-data.pdf","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-27207","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."}