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CVE Record

CVE-2017-16772: Improper input validation vulnerability in SYNOPHOTO_Flickr_MultiUpload in Synology Photo Station before 6....

Improper input validation vulnerability in SYNOPHOTO_Flickr_MultiUpload in Synology Photo Station before 6.8.3-3463 and before 6.3-2971 allows remote authenticated users to execute arbitrary codes via the prog_id parameter.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Synology Photo Station had a flaw that could let a logged-in remote user run arbitrary code on affected systems. The sources identify fixed Photo Station builds but provide no CVSS score. There is no provided evidence of active exploitation.

Executive priority

Treat this as a priority patching item for any still-running Synology Photo Station instance. The business concern is authenticated code execution on storage or media systems, not a confirmed actively exploited internet emergency.

Technical view

CVE-2017-16772 is an improper input validation issue in SYNOPHOTO_Flickr_MultiUpload affecting Synology Photo Station before 6.8.3-3463 and before 6.3-2971. The CVE states remote authenticated users could execute arbitrary code through the prog_id parameter. The bundle also maps it to CWE-434.

Likely exposure

Exposure is limited to Synology Photo Station deployments running versions before 6.8.3-3463 or before 6.3-2971. Risk is higher where Photo Station is reachable by remote users and where many user accounts can authenticate.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation. The vulnerability requires authentication, but successful abuse could result in arbitrary code execution on the affected Synology Photo Station host.

Researcher notes

Evidence is sparse in the supplied bundle: no CVSS vector, no exploit confirmation, and limited technical detail beyond the affected component, authentication requirement, and prog_id parameter. Avoid assuming unauthenticated exposure or specific payload behavior.

Mitigation direction

  • Upgrade Photo Station to 6.8.3-3463, 6.3-2971, or later vendor-supported releases.
  • Review Synology advisory SA-18-02 for package-specific remediation guidance.
  • Restrict Photo Station access to trusted authenticated users until patched.
  • Audit accounts with Photo Station access and remove unnecessary users.

Validation and detection

  • Inventory Synology devices running Photo Station and record package versions.
  • Confirm no installation remains below 6.8.3-3463 or 6.3-2971.
  • Check whether Photo Station is reachable from untrusted networks.
  • Review authentication logs for unusual remote user activity.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-434: File access and web shell behavior lookup

File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2017-16772 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
SynologyPhoto Stationbefore 6.8.3-3463, before 6.3-2971Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-434 · source CWE mapping

Unrestricted Upload of File with Dangerous Type

Unrestricted Upload of File with Dangerous Type represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.