Synology Chat vulnerabilities

3 CVEs affecting Synology Chat, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2017-15892, published 2017-12-28.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2017-15886, published 2017-12-28. Medium severity, CVSS 6.5. EPSS: 1.6% chance of exploitation in the next 30 days. 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.
CVE-2017-11148, published 2017-08-11. Medium severity, CVSS 6.5. EPSS: 1.4% chance of exploitation in the next 30 days. Server-side request forgery (SSRF) vulnerability in link preview in Synology Chat before 1.1.0-0806 allows remote authenticated users to access intranet resources via unspecified vectors.
CVE-2017-15892, published 2017-12-28. Medium severity, CVSS 5.4. EPSS: 1% chance of exploitation in the next 30 days. Multiple cross-site scripting (XSS) vulnerabilities in Slash Command Creator in Synology Chat before 2.0.0-1124 allow remote authenticated users to inject arbitrary web script or HTML via (1)…