CVE-2017-9355

Subsonic vulnerability

CVSS

7.4

EPSS

26.9%

EPSS pct

98th

Exploited

No known

XML external entity (XXE) vulnerability in the import playlist feature in Subsonic 6.1.1 might allow remote attackers to conduct server-side request forgery (SSRF) attacks via a crafted XSPF playlist file.

Affected vendor

Subsonic

Affected product

Subsonic

CVSS vector

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

Weakness type (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

Published

2017-06-07

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 26.9% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2017-9355

Confirm whether Subsonic Subsonic is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-9355.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-9355

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-9355 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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