CVE-2021-23956

EPSS 1.0%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 1.0%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

26 Feb 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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 products

Mozilla · Firefox

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1338637 https://www.mozilla.org/security/advisories/mfsa2021-03/