What’s Vulnerable › Vulnerabilities

CVE-2022-43699

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-04-15 · updated 2026-06-17
• Weakness: CWE-918

Description

OX App Suite before 7.10.6-rev30 allows SSRF because e-mail account discovery disregards the deny-list and thus can be attacked by an adversary who controls the DNS records of an external domain (found in the host part of an e-mail address).

Affected products

• Open-Xchange GmbH OX App Suite: before 7.10.6; 7.10.6, 7.10.6-rev01, 7.10.6-rev02, 7.10.6-rev03, 7.10.6-rev04, 7.10.6-rev05 (+24) — fixed in 7.10.6

How to fix

Upgrade to a fixed version: Open-Xchange GmbH OX App Suite 7.10.6. Check the vendor advisory for mitigations.

References

• https://open-xchange.com
• https://seclists.org/fulldisclosure/2023/Feb/3
• https://open-xchange.com
• https://seclists.org/fulldisclosure/2023/Feb/3

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