What is the CVSS score of CVE-2020-13485?

CVE-2020-13485 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 1.4%.

Is there a public PoC exploit available for CVE-2020-13485?

Yes, a public proof-of-concept exploit is available for CVE-2020-13485. Prioritise patching immediately. EPSS: 1.4%.

Is there a patch available for CVE-2020-13485?

Yes, a patch is available for CVE-2020-13485. Update the affected software to the latest version immediately.

Knock Knock CVE-2020-13485

CRITICAL

Incorrect Comparison (CWE-697)

2020-05-25 cve@mitre.org

Authentication Bypass Knock Knock

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

May 25, 2020 - 23:15 nvd

CRITICAL 9.1

DescriptionNVD

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

AnalysisAI

The Knock Knock plugin before 1.2.8 for Craft CMS allows IP Whitelist bypass via an X-Forwarded-For HTTP header. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-697. The Knock Knock plugin before 1.2.8 for Craft CMS allows IP Whitelist bypass via an X-Forwarded-For HTTP header. Affected products include: Verbb Knock Knock. Version information: before 1.2.8.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.