Vulnerability · Published Aug 23, 2021 · Assigned by @huntrdev
CVE-2021-3731Improper Restriction of Rendered UI Layers or Frames in ledgersmb/ledgersmb
Medium 5.9
In plain English
A medium-severity security flaw in ledgersmb/ledgersmb from ledgersmb. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)1.2%top 30.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | ledgersmb | 1.6.9+ds-2.1 | DEBIAN-CVE-2021-3731 |
| Ubuntu:22.04:LTS | ledgersmb | 1.6.33+ds-1ubuntu0.1 | USN-7647-1 |
| Ubuntu:24.04:LTS | ledgersmb | 1.6.33+ds-2.1ubuntu0.1 | USN-7647-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ledgersmb | ledgersmb/ledgersmb | unspecified – before 1.8.18 |
Weakness: CWE-1021 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
References
- https://huntr.dev/bounties/5664331d-f5f8-4412-8566-408f8655888a x_refsource_CONFIRM
- https://ledgersmb.org/cve-2021-3731-clickjacking x_refsource_CONFIRM
- DSA-4962 vendor-advisory, x_refsource_DEBIAN