How severe is CVE-2017-11155?

CVE-2017-11155 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-11155 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 45% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-11155?

CVE-2017-11155 primarily affects Synology Photo Station. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-11155?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-11155 published?

CVE-2017-11155 was published on 2017-08-08 and last updated on 2026-06-17.

CVE-2017-11155

CVE-2017-11155 is a high-severity vulnerability in Synology Photo Station with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 45% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 45% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Synology Photo Station
Published: 2017-08-08
Last modified: 2026-06-17

Description

An information exposure vulnerability in index.php in Synology Photo Station before 6.7.3-3432 and 6.3-2967 allows remote attackers to obtain sensitive system information via unspecified vectors.

Frequently asked questions

What is CVE-2017-11155?: An information exposure vulnerability in index.php in Synology Photo Station before 6.7.3-3432 and 6.3-2967 allows remote attackers to obtain sensitive system information via unspecified vectors.
How severe is CVE-2017-11155?: CVE-2017-11155 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-11155 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 45% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-11155?: CVE-2017-11155 primarily affects Synology Photo Station. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-11155?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-11155 published?: CVE-2017-11155 was published on 2017-08-08 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:synology:photo_station:*:*:*:*:*:*:*:*
cpe:2.3:a:synology:photo_station:6.3-2967:*:*:*:*:*:*:*

More vulnerabilities in Synology Photo Station

CVE-2021-29089 — Critical (CVSS 9.8): Improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability in thumbnail…
CVE-2017-11161 — Critical (CVSS 9.8): Multiple SQL injection vulnerabilities in Synology Photo Station before 6.7.4-3433 and 6.3-2968 allow remote attackers…
CVE-2017-11153 — Critical (CVSS 9.8): Deserialization vulnerability in synophoto_csPhotoMisc.php in Synology Photo Station before 6.7.3-3432 and 6.3-2967…
CVE-2017-11151 — Critical (CVSS 9.8): A vulnerability in synotheme_upload.php in Synology Photo Station before 6.7.3-3432 and 6.3-2967 allows remote…
CVE-2016-10329 — Critical (CVSS 9.8): Command injection vulnerability in login.php in Synology Photo Station before 6.5.3-3226 allows remote attackers to…
CVE-2021-29092 — High (CVSS 8.8): Unrestricted upload of file with dangerous type vulnerability in file management component in Synology Photo Station…

All CVEs affecting Synology Photo Station →

Other CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities

CVE-2026-27604 — Critical (CVSS 10.0): FOSSBilling is a free, open-source billing and client management system. Starting in version 0.5.4 and prior to version…
CVE-2026-40965 — Critical (CVSS 10.0): Cloud Foundry UAA versions v76.12.0 through v78.12.0 are vulnerable to a private key exposure. The server contains a…
CVE-2026-42826 — Critical (CVSS 10.0): Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose…
CVE-2025-29270 — Critical (CVSS 10.0): Incorrect access control in the realtime.cgi endpoint of Deep Sea Electronics devices DSE855 v1.1.0 to v1.1.26 allows…
CVE-2025-61481 — Critical (CVSS 10.0): An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by…
CVE-2025-53624 — Critical (CVSS 10.0): The Docusaurus gists plugin adds a page to your Docusaurus instance, displaying all public gists of a GitHub user.…

Browse all CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities →