CVE-2020-12397
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2020-12397
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12397.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2020-12397
- Downstream
- Related
- Published
- 2020-05-22T19:15:15Z
- Modified
- 2025-08-09T19:01:28Z
- Severity
-
- 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N CVSS Calculator
- Summary
- [none]
- Details
-
By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0.
- References