CVE-2017-9552 — A design flaw in authentication in Synology Photo Station 6
A design flaw in authentication in Synology Photo Station 6.0-2528 through 6.7.1-3419 allows local users to obtain credentials via cmdline. Synology Photo Station employs the synophoto_dsm_user program to authenticate username and password by "synophoto_dsm_user --auth USERN
Published
2017-06-13T13:29:00.173
Last modified
2026-05-13T00:24:29.033
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
01What is this vulnerability?
A design flaw in authentication in Synology Photo Station 6.0-2528 through 6.7.1-3419 allows local users to obtain credentials via cmdline. Synology Photo Station employs the synophoto_dsm_user program to authenticate username and password by "synophoto_dsm_user --auth USERNAME PASSWORD", and local users are able to obtain credentials by sniffing "/proc/*/cmdline".
02Affected products
No structured affected-product list available — see references below for vendor advisories.
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2017-06-13T13:29:00.173
- Last modified: 2026-05-13T00:24:29.033
09References
- blog.crozat.net — http://blog.crozat.net/2017/06/synology-photostation-password-vulnerabilty.html
- www.synology.com — https://www.synology.com/en-global/support/security/Photo_Station_CVE_2017_9552
- blog.crozat.net — http://blog.crozat.net/2017/06/synology-photostation-password-vulnerabilty.html
- www.synology.com — https://www.synology.com/en-global/support/security/Photo_Station_CVE_2017_9552
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