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CVE-2016-9752

21
FAUCET Score

CVE-2016-9752 describes a Server-Side Request Forgery (SSRF) bypass vulnerability in Serendipity versions prior to 2.0.5. Attackers can exploit this by using malformed IP addresses (e.g., http://127.1) or HTTP 30x redirection status codes to circumvent existing SSRF protections. This vulnerability is rated as HIGH severity (CVSS 8.6), indicating a network-based attack with low complexity, requiring no user interaction, and potentially leading to high integrity impact. While the vulnerability is significant, there is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.0.4CPE matchmatch criteria
cpe:2.3:a:s9y:serendipity:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.6HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
4.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.06%
Probability of exploitation in next 30 days
EPSS Percentile
61.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0106 is in the 38th percentile among its peer group of 51,455 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

blog.s9y.org / archives/271-Serendipity-2.0.5-and-2.1-beta3-released.html
Vendor Advisory
github.com / s9y/Serendipity/commit/fbdd50a448ed87ba34ea8c56446b8f1873eadd6f
Issue TrackingPatchThird Party Advisory
securityfocus.com / bid/94622