CVE-2021-3731
MEDIUMCVSS 4.7/10EPSS 1.11%
Last modified
CVE-2021-3731 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. 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.. EPSS estimates a 1.11% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ledgersmb | Ledgersmb | >= 1.1.0, <= 1.1.12 |
| Ledgersmb | Ledgersmb | >= 1.2.0, <= 1.2.26 |
| Ledgersmb | Ledgersmb | >= 1.3.0, <= 1.3.47 |
| Ledgersmb | Ledgersmb | >= 1.4.0, <= 1.4.42 |
| Ledgersmb | Ledgersmb | >= 1.5.0, <= 1.5.30 |
| Ledgersmb | Ledgersmb | >= 1.6.0, <= 1.6.33 |
| Ledgersmb | Ledgersmb | >= 1.7.0, <= 1.7.32 |
| Ledgersmb | Ledgersmb | >= 1.8.0, <= 1.8.17 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
References
- https://huntr.dev/bounties/5664331d-f5f8-4412-8566-408f8655888aThird Party Advisory
- https://ledgersmb.org/cve-2021-3731-clickjackingVendor Advisory
- https://www.debian.org/security/2021/dsa-4962Third Party Advisory
- https://huntr.dev/bounties/5664331d-f5f8-4412-8566-408f8655888aThird Party Advisory
- https://ledgersmb.org/cve-2021-3731-clickjackingVendor Advisory
- https://www.debian.org/security/2021/dsa-4962Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-3731?
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.
How severe is CVE-2021-3731?
CVE-2021-3731 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3731?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- One Click Account Takeover in GranolaHow a notification link broke out of Electron and led to a one-click account takeover.
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Are you affected by CVE-2021-3731?
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