CVE-2021-3731 : LedgerSMB does not sufficiently guard against being wrapped by other sites, maki

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.

Published 2021-08-23 13:15:08

Updated 2021-08-27 15:16:41

Source huntr.dev

View at NVD, CVE.org

Products affected by CVE-2021-3731

Debian » Debian Linux » Version: 10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Matching versions
Debian » Debian Linux » Version: 11.0
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Matching versions
Ledgersmb » Ledgersmb
Versions from including (>=) 1.5.0 and up to, including, (<=) 1.5.30
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*
Matching versions
Ledgersmb » Ledgersmb
Versions from including (>=) 1.3.0 and up to, including, (<=) 1.3.47
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*
Matching versions
Ledgersmb » Ledgersmb
Versions from including (>=) 1.7.0 and up to, including, (<=) 1.7.32
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*
Matching versions
Ledgersmb » Ledgersmb
Versions from including (>=) 1.1.0 and up to, including, (<=) 1.1.12
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*
Matching versions
Ledgersmb » Ledgersmb
Versions from including (>=) 1.4.0 and up to, including, (<=) 1.4.42
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*
Matching versions
Ledgersmb » Ledgersmb
Versions from including (>=) 1.6.0 and up to, including, (<=) 1.6.33
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*
Matching versions
Ledgersmb » Ledgersmb
Versions from including (>=) 1.8.0 and up to, including, (<=) 1.8.17
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*
Matching versions
Ledgersmb » Ledgersmb
Versions from including (>=) 1.2.0 and up to, including, (<=) 1.2.26
cpe:2.3:a:ledgersmb:ledgersmb:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-3731

EPSS FAQ

0.24%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 63 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-3731

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
4.7	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N	2.8	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: None Integrity: Low Availability: None
5.9	MEDIUM	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N	1.6	4.2	huntr.dev
Attack Vector: Network Attack Complexity: High Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: Low Availability: None

CWE ids for CVE-2021-3731

CWE-1021 Improper Restriction of Rendered UI Layers or Frames

The web application does not restrict or incorrectly restricts frame objects or UI layers that belong to another application or domain, which can lead to user confusion about which interface the user is interacting with.
Assigned by:
- nvd@nist.gov (Primary)
- security@huntr.dev (Secondary)

References for CVE-2021-3731

https://ledgersmb.org/cve-2021-3731-clickjacking

Security advisory for CVE-2021-3731 (Clickjacking) | LedgerSMB
Vendor Advisory
https://www.debian.org/security/2021/dsa-4962

Debian -- Security Information -- DSA-4962-1 ledgersmb
Third Party Advisory

CVEs referencing this url
https://huntr.dev/bounties/5664331d-f5f8-4412-8566-408f8655888a

huntr: Improper Restriction of Rendered UI Layers or Frames Perl Vulnerability in ledgersmb
Third Party Advisory

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Vulnerability Details : CVE-2021-3731

Products affected by CVE-2021-3731

Exploit prediction scoring system (EPSS) score for CVE-2021-3731

CVSS scores for CVE-2021-3731

CWE ids for CVE-2021-3731

References for CVE-2021-3731