CVE-2025-25065 Synacor — Exploit & Vulnerability Details MEDIUM

Parameter	Value
CVSS	5.3 (MEDIUM)
Affected Versions	10.0.0 — 9.0.0
Fixed In	9.0.0
Type	CWE-918 (Server-Side Request Forgery (SSRF))
Vendor	Synacor
Public PoC	No

SSRF vulnerability in the RSS feed parser in Zimbra Collaboration 9.0.0 before Patch 43, 10.0.x before 10.0.12, and 10.1.x before 10.1.4 allows unauthorized redirection to internal network endpoints.

Attack Parameters

Attack Vector

Network

Can be exploited remotely

Attack Complexity

Low

Easy to exploit

Privileges Required

None

No privileges needed

User Interaction

None

No user interaction needed

Impact Assessment

Confidentiality

Low

Partial data leak

Integrity

None

No data modification

Availability

None

No disruption

CVSS Vector v3.1

Weakness Type (CWE)

CWE-918 Server-Side Request Forgery (SSRF)

Vulnerable Products 47

Configuration	From (including)	Up to (excluding)
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite::::::::	—	`9.0.0`
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite::::::::	`10.0.0`	`10.0.12`
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite::::::::	`10.1.0`	`10.1.4`
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:-::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p1::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p10::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p11::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p12::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p13::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p14::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p15::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p16::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p17::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p18::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p19::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p2::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p20::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p21::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p22::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p23::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p24::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p24.1::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p25::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p26::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p27::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p28::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p29::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p3::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p30::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p31::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p32::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p33::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p34::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p35::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p36::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p37::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p38::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p39::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p4::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p40::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p41::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p42::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p5::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p6::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p7::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p8::::::	—	—
Synacor Zimbra_Collaboration_Suite cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p9::::::	—	—