CVE-2017-16775
Improper restriction of rendered UI layers or frames vulnerability in SSOOauth.cgi in Synology...
Improper restriction of rendered UI layers or frames vulnerability in SSOOauth.cgi in Synology SSO Server before 2.1.3-0129 allows remote attackers to conduct clickjacking attacks via unspecified vectors.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
7.1
Improper restriction of rendered UI layers or frames vulnerability in SSOOauth.cgi in Synology SSO Server before 2.1.3-0129 allows remote attackers to conduct clickjacking attacks via unspecified vectors.
- Record
CVE-2017-16775- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L - Weakness
- CWE-1021
- Updated
- 2026-11-02
EUVDEUVD-2017-7954
7.1
Improper restriction of rendered UI layers or frames vulnerability in SSOOauth.cgi in Synology SSO Server before 2.1.3-0129 allows remote attackers to conduct clickjacking attacks via unspecified vectors.
- Record
EUVD-2017-7954- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q54f-p9w8-3gc2
6.1
Improper restriction of rendered UI layers or frames vulnerability in SSOOauth.cgi in Synology...
Improper restriction of rendered UI layers or frames vulnerability in SSOOauth.cgi in Synology SSO Server before 2.1.3-0129 allows remote attackers to conduct clickjacking attacks via unspecified vectors.
- Record
GHSA-q54f-p9w8-3gc2- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
7.1
Improper restriction of rendered UI layers or frames vulnerability in SSOOauth.cgi in Synology SSO Server before 2.1.3-0129 allows remote attackers to conduct clickjacking attacks via unspecified vectors.
- Record
CVE-2017-16775- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L - CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-1021, CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-16775 is a high vulnerability (CVSS 7.1) in Synology Sso Server, published April 1, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.07%, the 65th percentile. No source names a fixed version.