CVE-2020-35112

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

If a user downloaded a file lacking an extension on Windows, and then "Open"-ed it from the downloads panel, if there was an executable file in the downloads directory with the same name but with an executable extension (such as .bat or .exe) that executable would have been launched instead. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

Si un usuario descargó un archivo que carece de una extensión en Windows y luego "Open"-ed desde el panel de descargas, si había un archivo ejecutable en el directorio de descargas con el mismo nombre pero con una extensión ejecutable (como .bat o .exe) ese ejecutable habría sido iniciado en su lugar. *Nota: este problema solo afectó a unos sistemas operativos Windows. Otros sistemas operativos no están afectados.*. Esta vulnerabilidad afecta a Firefox versiones anteriores a 84, Thunderbird versiones anteriores a 78,6 y Firefox ESR versiones anteriores a 78,6

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-12-10 CVE Reserved
2021-01-07 CVE Published
2023-09-23 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.mozilla.org/security/advisories/mfsa2020-54	2021-01-12
https://www.mozilla.org/security/advisories/mfsa2020-55	2021-01-12
https://www.mozilla.org/security/advisories/mfsa2020-56	2021-01-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mozilla Search vendor "Mozilla"	Firefox Search vendor "Mozilla" for product "Firefox"	< 84.0 Search vendor "Mozilla" for product "Firefox" and version " < 84.0"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Mozilla Search vendor "Mozilla"	Firefox Esr Search vendor "Mozilla" for product "Firefox Esr"	< 78.6.0 Search vendor "Mozilla" for product "Firefox Esr" and version " < 78.6.0"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe
Mozilla Search vendor "Mozilla"	Thunderbird Search vendor "Mozilla" for product "Thunderbird"	< 78.6.0 Search vendor "Mozilla" for product "Thunderbird" and version " < 78.6.0"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe