What’s Vulnerable › Vulnerabilities

CVE-2014-8563

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-01-27 · updated 2026-06-17
• Weakness: CWE-78

Description

Synacor Zimbra Collaboration before 8.0.9 allows plaintext command injection during STARTTLS.

Affected products

• Synacor Zimbra Collaboration Server: before 8.0.9 — fixed in 8.0.9

How to fix

Upgrade to a fixed version: Synacor Zimbra Collaboration Server 8.0.9. Check the vendor advisory for mitigations.

References

• https://bugzilla.zimbra.com/show_bug.cgi?id=96105
• https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
• https://bugzilla.zimbra.com/show_bug.cgi?id=96105
• https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

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