Vulnerability CVE-2020-13485
Published: 2020-05-25   Modified: 2020-05-26

Description:
The Knock Knock plugin before 1.2.8 for Craft CMS allows IP Whitelist bypass via an X-Forwarded-For HTTP header.

Type:

CWE-697

 (Insufficient Comparison)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.4/10
4.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Verbb -> Knock knock 

 References:
https://github.com/verbb/knock-knock/blob/craft-3/CHANGELOG.md
https://limpidsecurity.pl/security-advisories/1/knock-knock-plugin-for-craft-cms/
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