Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Primary rating from Vendor (cert) · only source for this CVE.
CVSS VectorVendor: cert
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Lifecycle Timeline
1DescriptionCVE.org
A vulnerability in multi-tenant hosting allows an authenticated sender to spoof the identity of a shared, hosted domain, thus bypass security measures provided by DMARC (or SPF or DKIM) policies.
AnalysisAI
A vulnerability in multi-tenant hosting allows an authenticated sender to spoof the identity of a shared, hosted domain, thus bypass security measures provided by DMARC (or SPF or DKIM) policies. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Technical ContextAI
A vulnerability in multi-tenant hosting allows an authenticated sender to spoof the identity of a shared, hosted domain, thus bypass security measures provided by DMARC (or SPF or DKIM) policies.
Affected ProductsAI
See vendor advisory for affected versions.
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.
Same technique Authentication Bypass
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External POC / Exploit Code
Leaving vuln.today