CVE-2023-5721
Medium
Published: 25 October 2023
Published
25 October 2023
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1
4.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS Score
0.0031
54.4th percentile
Risk Priority
9
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2023-5721 is a medium-severity Improper Restriction of Rendered UI Layers or Frames (CWE-1021) vulnerability in Debian Debian Linux. Its CVSS base score is 4.3 (Medium).
Operationally, ranked in the top 45.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-58007
Vulnerability details
It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
mozilla
firefox
≤ 119.0
mozilla
firefox esr
≤ 115.4
mozilla
thunderbird
≤ 115.4.1
debian
debian linux
10.0, 11.0
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.