VDB
CVE-2021-23956
CVE-2021-23956
PUBLISHED
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.
EPSS 0.14% · 33.4th percentile
Risk Scores
EPSS Score
0.14%
33.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | mozjs38 | *, 0, 38.8.0~repack1-0ubuntu3 |
| Ubuntu:18.04:LTS | mozjs52 | 0, 52.8.1-0ubuntu0.18.04.1, 52.3.1-0ubuntu3 |
| Ubuntu:20.04:LTS | mozjs68 | 68.6.0-1ubuntu1, 0, 68.5.0-1~fakesync |
| Ubuntu:18.04:LTS | firefox | 60.0.2+build1-0ubuntu0.18.04.1, 61.0+build3-0ubuntu0.18.04.1, 62.0+build2-0ubuntu0.18.04.3 |
| Ubuntu:16.04:LTS | firefox | 77.0.1+build1-0ubuntu0.16.04.1, 78.0.1+build1-0ubuntu0.16.04.1, 78.0.2+build2-0ubuntu0.16.04.1 |
| Ubuntu:22.04:LTS | mozjs78 | 78.15.0-4ubuntu1, 78.15.0-2, 78.13.0-1 |
| Ubuntu:20.04:LTS | mozjs52 | 52.9.1-1ubuntu3, 52.9.1-1build1, 0 |
| Ubuntu:20.04:LTS | firefox | 70.0+build2-0ubuntu1, 70.0+build2-0ubuntu2, 70.0.1+build1-0ubuntu2 |
Exploit Intelligence
Timeline
- Jan 26, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-23956 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-03/#CVE-2021-23956 third-party-advisory
- https://ubuntu.com/security/notices/USN-4717-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-23956 third-party-advisory