CVE-2015-3934: Multiple SQL injection vulnerabilities in Fiyo CMS 2.0_1.9.1 allow remote attackers to execute arbitrary SQL c

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2015-3934 is a critical-severity flaw (CVSS 9.8) affecting fiyo cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple SQL injection vulnerabilities in Fiyo CMS 2.0_1.9.1 allow remote attackers to execute arbitrary SQL commands via the (1) id parameter to apps/app_article/controller/rating.php or (2) user parameter to user/login.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.1% (top 12%)
CISA exploited list	No
Weakness	CWE-89
Published	2017-11-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: fiyo

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-11-21 15:29 UTCPublished CVE record published
2026-06-17 00:26 UTCUpdated Record last modified

fiyo fiyo cms DOWNGRADE

Affected: 2.0.1.9.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.1.9.1

1. Check installed version

apt-cache policy fiyo-cms || rpm -q fiyo-cms || fiyo-cms --version

2. No fixed release: DOWNGRADE to a release before 2.0.1.9.1 (Debian / Ubuntu)

apt-cache madison fiyo-cms sudo apt install fiyo-cms=<VERSION_BEFORE_2.0.1.9.1> sudo apt-mark hold fiyo-cms

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list fiyo-cms sudo dnf downgrade fiyo-cms-<VERSION_BEFORE_2.0.1.9.1> sudo dnf versionlock add fiyo-cms

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Fiyo CMS 2.0_1.9.1 - SQL Injection

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2015-3934?

fiyo cms: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-3934 being exploited?

CVE-2015-3934 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2015-3934 affect?

CVE-2015-3934 affects fiyo cms. Severity is critical (CVSS 9.8). Multiple SQL injection vulnerabilities in Fiyo CMS 2.0_1.9.1 allow remote attackers to execute arbitrary SQL commands via the (1) id parameter to apps/app_article/controller/rating.php or (2) user parameter to user/login.

How urgent is CVE-2015-3934?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

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CVE-2017-6823 HIGH 8.8 DOWNGRADE Fiyo CMS 2.0.6.1 allows remote authenticated users to gain privileges via a modified level parameter to dapur/

References

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