Vulnerability Report

CVE-2017-15886

Title: Synology Chat Server-Side Request Forgery (SSRF)

SSRF

Proof Of Concept

No public PoC currently indexed for CVE-2017-15886.

CWE Category CWE-918

Published Date Dec 28, 2017

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 6.5 CVSS v3.0

Exploit Probability (EPSS)

1.61%

Vulnerability Summary

CVE-2017-15886: Server-side request forgery (SSRF) vulnerability in Link Preview in Synology Chat before 2.0.0-1124 allows remote authenticated users to download arbitrary local files via a crafted URI.

Impacted Vendors

Reference Links

https://www.synology.com/en-global/support/security/Synology_SA_17_78 https://www.synology.com/en-global/support/security/Synology_SA_17_78

CVSS v3.0

Source Entity [email protected]

Severity MEDIUM

6.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:S/C:P/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2017-15886 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 17, 2026 MODIFIED

Vulnerability data updated via NVD.

May 13, 2026 MODIFIED

Vulnerability data updated via NVD.

May 13, 2026 MODIFIED

Vulnerability data updated via NVD.

May 13, 2026 MODIFIED

Vulnerability data updated via NVD.

May 13, 2026 MODIFIED

Vulnerability data updated via NVD.

May 13, 2026 MODIFIED

Vulnerability data updated via NVD.

May 13, 2026 MODIFIED

Vulnerability data updated via NVD.

May 13, 2026 MODIFIED

Vulnerability data updated via NVD.

May 13, 2026 MODIFIED

Vulnerability data updated via NVD.

May 13, 2026 MODIFIED

Vulnerability data updated via NVD.

May 13, 2026 MODIFIED

Vulnerability data updated via NVD.

May 13, 2026 MODIFIED

Vulnerability data updated via NVD.

May 13, 2026 MODIFIED

Vulnerability data updated via NVD.

May 13, 2026 MODIFIED

Vulnerability data updated via NVD.

May 13, 2026 MODIFIED

Vulnerability data updated via NVD.

May 13, 2026 MODIFIED

Vulnerability data updated via NVD.

May 13, 2026 MODIFIED

Vulnerability data updated via NVD.

April 20, 2025 MODIFIED

Vulnerability data or affected products updated.

December 28, 2017 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Stack

No specific products linked.