CVE-2017-9355Subsonic SSRF
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.
Published Jun 7, 2017 · Updated May 12, 2026
Key Facts
Patch immediately- CVE-2017-9355 is a high-severity vulnerability (CVSS 7.4 v3) affecting Subsonic.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 27% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v3
7.4
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
EPSS (30-day exploit likelihood)
27%
Higher than 98.0% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
37/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
1
Reports of active use
Description
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 Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| SubsonicSubsonic | 6.1.1 | n/a |
Timeline
Publicly disclosed
Jun 7, 2017
Last updated
May 12, 2026
Weakness Type
- CWE-918 Server-Side Request Forgery (SSRF)
FAQ
Common Questions.
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: Subsonic versions 6.1.1. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2017-9355 On Your Attack Surface?
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