What’s Vulnerable › Vulnerabilities

CVE-2018-13296

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-04-01 · updated 2026-06-17
• Weakness: CWE-400

Description

Uncontrolled resource consumption vulnerability in TLS configuration in Synology MailPlus Server before 2.0.5-0606 allows remote attackers to conduct denial-of-service attacks via client-initiated renegotiation.

Affected products

• Synology MailPlus Server: before 2.0.5-0606 — fixed in 2.0.5-0606

How to fix

Upgrade to a fixed version: Synology MailPlus Server 2.0.5-0606. Check the vendor advisory for mitigations.

References

• https://www.synology.com/security/advisory/Synology_SA_18_43
• https://www.synology.com/security/advisory/Synology_SA_18_43

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