Vulnerability Details : CVE-2019-9801
Firefox will accept any registered Program ID as an external protocol handler and offer to launch this local application when given a matching URL on Windows operating systems. This should only happen if the program has specifically registered itself as a "URL Handler" in the Windows registry. *Note: This issue only affects Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.
Vulnerability category: Input validation
Products affected by CVE-2019-9801
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-9801
0.39%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-9801
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
5.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2019-9801
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-9801
-
https://www.mozilla.org/security/advisories/mfsa2019-08/
Security vulnerabilities fixed in Firefox ESR 60.6 — MozillaVendor Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1527717
Access DeniedIssue Tracking;Permissions Required;Vendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2019-11/
Security vulnerabilities fixed in Thunderbird 60.6 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2019-07/
Security vulnerabilities fixed in Firefox 66 — MozillaVendor Advisory
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