Cyber Resilience

CVE-2021-3731

Medium

Published: 23 August 2021

Published
23 August 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
EPSS Score 0.0015 35.9th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-3731 is a medium-severity Improper Restriction of Rendered UI Layers or Frames (CWE-1021) vulnerability in Ledgersmb Ledgersmb. Its CVSS base score is 5.9 (Medium).

Operationally, ranked at the 35.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

LedgerSMB does not sufficiently guard against being wrapped by other sites, making it vulnerable to 'clickjacking'. This allows an attacker to trick a targetted user to execute unintended actions.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

ledgersmb
ledgersmb
1.1.0 — 1.1.12 · 1.2.0 — 1.2.26 · 1.3.0 — 1.3.47
debian
debian linux
10.0, 11.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References