CVE-2020-36519 : Mimecast Email Security before 2020-01-10 allows any admin to spoof any domain,

Mimecast Email Security before 2020-01-10 allows any admin to spoof any domain, and pass DMARC alignment via SPF. This occurs through misuse of the address rewrite feature. (The domain being spoofed must be a customer in the Mimecast grid from which the spoofing occurs.)

Published 2022-03-16 00:15:08

Updated 2022-03-22 16:11:20

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2020-36519

Mimecast » Email Security
Versions before (<) 2020-01-10
cpe:2.3:a:mimecast:email_security:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-36519

EPSS FAQ

0.05%

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

~ 24 %

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

CVSS scores for CVE-2020-36519

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.0	MEDIUM	AV:N/AC:L/Au:S/C:N/I:P/A:N	8.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
4.9	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N	1.2	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: None

References for CVE-2020-36519

https://wesleyk.me/2020/01/10/my-first-vulnerability-mimecast-sender-address-verification/

My first vulnerability – Mimecast Sender Address verification – Wesley Kirkland
Exploit;Third Party Advisory

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Vulnerability Details : CVE-2020-36519

Products affected by CVE-2020-36519

Exploit prediction scoring system (EPSS) score for CVE-2020-36519

CVSS scores for CVE-2020-36519

References for CVE-2020-36519