CVE-2021-23956

Published on: 02/25/2021 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:28:53 PM UTC

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Certain versions of Firefox from Mozilla contain the following vulnerability:

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.

  • CVE-2021-23956 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.
  • Affected Vendor/Software: URL Logo Mozilla - Firefox version < 85

CVSS3 Score: 6.5 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE REQUIRED
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH NONE NONE

CVSS2 Score: 4.3 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL NONE NONE

CVE References

Description Tags Link
Security Vulnerabilities fixed in Firefox 85 — Mozilla Release Notes
Vendor Advisory
www.mozilla.org
text/html
URL Logo MISC www.mozilla.org/security/advisories/mfsa2021-03/
1338637 - (CVE-2021-23956) Arbitrary local files disclosure in input[webkitdirectory] Exploit
Issue Tracking
Patch
Vendor Advisory
bugzilla.mozilla.org
text/html
URL Logo MISC bugzilla.mozilla.org/show_bug.cgi?id=1338637

Related QID Numbers

  • 501554 Alpine Linux Security Update for firefox

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationMozillaFirefoxAllAllAllAll
ApplicationMozillaFirefoxAllAllAllAll
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*:
© CVE.report 2022 Twitter Nitter Twitter Viewer |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report