Vulnerability Details : CVE-2022-31739
When downloading files on Windows, the % character was not escaped, which could have lead to a download incorrectly being saved to attacker-influenced paths that used variables such as %HOMEPATH% or %APPDATA%.<br>*This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.
Products affected by CVE-2022-31739
- 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-2022-31739
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-31739
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-04-16 |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2022-31739
-
The product allows user input to control or influence paths or file names that are used in filesystem operations.Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
References for CVE-2022-31739
-
https://www.mozilla.org/security/advisories/mfsa2022-21/
Security Vulnerabilities fixed in Firefox ESR 91.10 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2022-20/
Security Vulnerabilities fixed in Firefox 101 — MozillaVendor Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1765049
Access DeniedIssue Tracking;Permissions Required;Vendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2022-22/
Security Vulnerabilities fixed in Thunderbird 91.10 — MozillaVendor Advisory
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