What is CVE-2017-11153?

CVE-2017-11153 is a critical-severity vulnerability in Synology Photo Station, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2017-08-08.

How severe is CVE-2017-11153?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Synology Photo Station

CVE-2017-11153

Deserialization vulnerability in synophoto_csPhotoMisc.php in Synology Photo Station before 6.7.3-3432 and 6.3-2967 allows remote attackers to gain administrator privileges via a crafted serialized payload.

Vulnerability class: Insecure Deserialization

Published 2017-08-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.122 (96.1th percentile), scored 2026-10-20.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.122 · newest: 0.122 · change: 0.000

Affected products

Synology Photo Station — versions 6.3-2967
Synology Photo Station — versions before 6.7.3-3432 and 6.3-2967

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

www.synology.com/en-global/support/security/Synology_SA_17_34_PhotoStation (Vendor Advisory)
www.exploit-db.com/exploits/42434/ (VDB Entry, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2017-11153?: CVE-2017-11153 is a critical-severity vulnerability in Synology Photo Station, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2017-08-08.
How severe is CVE-2017-11153?: Critical severity. CVSS v3 base score is 9.8 out of 10.