CVE-2021-23956
published 2021-02-26CVE-2021-23956: 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…
PriorityP430medium6.5CVSS 3.1
AVNACLPRNUIRSUCHINAN
EPSS
0.99%
58.3th percentile
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.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 85.0-1 (sid) | firefox 85.0-1 (sid) |
| mozilla | firefox | < 85 | 85 |
| mozilla | firefox | < 85.0 | 85.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 0 < 85.0+build1-0ubuntu0.16.04.1 | 85.0+build1-0ubuntu0.16.04.1 |
| mozilla | firefox | >= 0 < 85.0+build1-0ubuntu0.18.04.1 | 85.0+build1-0ubuntu0.18.04.1 |
| mozilla | firefox | >= 0 < 85.0+build1-0ubuntu0.20.04.1 | 85.0+build1-0ubuntu0.20.04.1 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N
osv6.5MEDIUM
vendor_debian6.5MEDIUM
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GHSA
GHSA-vjq2-3fhj-f82c: An ambiguous file picker design could have confused users who intended to select and upload a single file into uploading a whole directory
ghsa_unreviewed·2022-05-24
CVE-2021-23956 [MEDIUM] GHSA-vjq2-3fhj-f82c: An ambiguous file picker design could have confused users who intended to select and upload a single file into uploading a whole directory
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.
OSV
CVE-2021-23956: An ambiguous file picker design could have confused users who intended to select and upload a single file into uploading a whole directory
osv·2021-01-26·CVSS 6.5
CVE-2021-23956 [MEDIUM] CVE-2021-23956: An ambiguous file picker design could have confused users who intended to select and upload a single file into uploading a whole directory
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.
Ubuntu
Firefox vulnerabilities
vendor_ubuntu·2021-02-01
CVE-2021-23954 Firefox vulnerabilities
Title: Firefox vulnerabilities
Summary: Firefox could be made to crash or run programs as your login if it
opened a malicious website.
Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, conduct clickjacking attacks, or execute arbitrary code.
Instructions: After a standard system update you need to restart Firefox to make
all the necessary changes.
Debian
CVE-2021-23956: firefox - An ambiguous file picker design could have confused users who intended to select...
vendor_debian·2021·CVSS 6.5
CVE-2021-23956 [MEDIUM] CVE-2021-23956: firefox - An ambiguous file picker design could have confused users who intended to select...
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.
Scope: local
sid: resolved (fixed in 85.0-1)
Mozilla
Mozilla Foundation Security Advisory 2021-03: CVE-2021-23956
vendor_mozilla·CVSS 6.5
CVE-2021-23956 [MEDIUM] Mozilla Foundation Security Advisory 2021-03: CVE-2021-23956
Mozilla Foundation Security Advisory 2021-03
CVE: CVE-2021-23956
Product: Firefox
Impact: high
Fixed in: Firefox 85
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-02-26
Published