Ubuntu.comUB:CVE-2021-23956CVE-2021-23956
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
4.3 Medium
CVSS2
Access Vector
Access Complexity
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
0.002 Low
EPSS
Percentile
59.7%
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.
Notes
| Author | Note |
|---|---|
| tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | firefox | < 85.0+build1-0ubuntu0.18.04.1 | UNKNOWN |
| ubuntu | 20.04 | noarch | firefox | < 85.0+build1-0ubuntu0.20.04.1 | UNKNOWN |
| ubuntu | 20.10 | noarch | firefox | < 85.0+build1-0ubuntu0.20.10.1 | UNKNOWN |
| ubuntu | 21.04 | noarch | firefox | < 85.0+build1-0ubuntu1 | UNKNOWN |
| ubuntu | 21.10 | noarch | firefox | < 85.0+build1-0ubuntu1 | UNKNOWN |
| ubuntu | 22.04 | noarch | firefox | < 85.0+build1-0ubuntu1 | UNKNOWN |
| ubuntu | 22.10 | noarch | firefox | < 85.0+build1-0ubuntu1 | UNKNOWN |
| ubuntu | 23.04 | noarch | firefox | < 85.0+build1-0ubuntu1 | UNKNOWN |
| ubuntu | 23.10 | noarch | firefox | < 85.0+build1-0ubuntu1 | UNKNOWN |
| ubuntu | 24.04 | noarch | firefox | < 85.0+build1-0ubuntu1 | UNKNOWN |
Related
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
4.3 Medium
CVSS2
Access Vector
Access Complexity
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
0.002 Low
EPSS
Percentile
59.7%