TI-2020-09480 Aliases CVE-2020-11806 GHSA-xvfq-f68m-7mwg

In MailStore Outlook Add-in (and Email Archive Outlook Add-in) through 12.1.2, the login…

LOW 27CWE-295Published 2020-04-23 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: Spoofing
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-295.

Summary

In MailStore Outlook Add-in (and Email Archive Outlook Add-in) through 12.1.2, the login process does not validate the validity of the certificate presented by the server.

Why it matters now

EPSS 0.00493 42nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:mailstore:mailstore_server::::::::	up to 12.1.2	Vulnerable	Mailstore

cpe:2.3:a:mailstore:mailstore_server:*:*:*:*:*:*:*:* Versions up to 12.1.2 Vulnerable ·Mailstore

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-11806
2026-10-03 Alias added: GHSA-xvfq-f68m-7mwg

References

Advisory 1

https://help.mailstore.com/security/MAILSTORE-SA-2020-01.txt

TI-2019-07548 An issue was discovered in MailStore Server (and Service Provider Edition) 9.x through… CVSS 3.1HIGH 8.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences