HOMEVULNERABILITIESCVE-2017-5609
HIGH

CVE-2017-5609

CWE-89Published: January 28, 2017· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

SQL injection vulnerability in include/functions_entries.inc.php in Serendipity 2.0.5 allows remote authenticated users to execute arbitrary SQL commands via the cat parameter.

NVD Source

Technical Analysis

CVE-2017-5609 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

s9y1 product(s)
serendipity
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (6)

http://www.securityfocus.com/bid/95850Third Party Advisory · VDB Entry
https://github.com/s9y/Serendipity/releases/tag/2.1-rc1Release Notes · Third Party Advisory
http://www.securityfocus.com/bid/95850Third Party Advisory · VDB Entry
https://github.com/s9y/Serendipity/releases/tag/2.1-rc1Release Notes · Third Party Advisory

Quick Facts

CVE IDCVE-2017-5609
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-89
CISA KEVNo
Affected1 vendor(s)
PublishedJan 28, 2017

Related CVEs (CWE-89)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2017-5609 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.