cve.bz

CVE-2020-13485

9.1 criticalEPSS 1.4%

Critical (9.1) in verbb knock knock. EPSS 1.4% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

9.1 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
1.4% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)
CWE
CWE-697
Published
Modified
Record from
the NVD, synced

Affected

References

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