CVE-2021-23956
Gentoo Linux Security Advisory 202102-01
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
An ambiguous file picker design could have confused users who intended to select and upload a single file into uploading a whole directory. This was addressed by adding a new prompt. This vulnerability affects Firefox < 85.
Un diseño de selector de archivos ambiguos podría haber confundido a usuarios que pretendían seleccionar y cargar un solo archivo para cargar un directorio completo. Esto se solucionó al agregar un nuevo aviso. Esta vulnerabilidad afecta a Firefox versiones anteriores a 85
Multiple vulnerabilities have been found in Mozilla Firefox, the worst of which could result in the arbitrary execution of code. Versions less than 85.0 are affected.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-01-13 CVE Reserved
- 2021-02-01 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
CAPEC
References (2)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1338637 | 2024-08-03 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.mozilla.org/security/advisories/mfsa2021-03 | 2021-03-03 |