Vulnerability Details : CVE-2020-12397
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.
Products affected by CVE-2020-12397
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-12397
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 37 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-12397
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
2.8
|
1.4
|
NIST |
CWE ids for CVE-2020-12397
-
The product does not properly verify that the source of data or communication is valid.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-12397
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1617370
Access DeniedIssue Tracking;Patch;Vendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2020-18/
Security Vulnerabilities fixed in Thunderbird 68.8.0 — MozillaVendor Advisory
-
https://usn.ubuntu.com/4373-1/
USN-4373-1: Thunderbird vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://security.gentoo.org/glsa/202005-03
Mozilla Thunderbird: Multiple vulnerabilities (GLSA 202005-03) — Gentoo securityThird Party Advisory
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