CVE-2014-1999: The auto-format feature in the Request_Curl class in FuelPHP 1.1 through 1.7.1 allows remote attackers to exec

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HIGH 7.5DOWNGRADE

CVE-2014-1999 is a high-severity flaw (CVSS 7.5) affecting fuelphp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The auto-format feature in the Request_Curl class in FuelPHP 1.1 through 1.7.1 allows remote attackers to execute arbitrary code via a crafted response.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Weakness	CWE-94
Published	2014-07-20
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: fuelphp

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

Am I affected?

Timeline

2014-07-20 11:12 UTCPublished CVE record published
2026-06-17 00:05 UTCUpdated Record last modified

fuelphp fuelphp DOWNGRADE

Affected: 1.1 · 1.2 · 1.2 rc1 · 1.2.1 · 1.3 · 1.4 · 1.5 · 1.5.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1

1. Check installed version

apt-cache policy fuelphp || rpm -q fuelphp || fuelphp --version

2. No fixed release: DOWNGRADE to a release before 1.1 (Debian / Ubuntu)

apt-cache madison fuelphp sudo apt install fuelphp=<VERSION_BEFORE_1.1> sudo apt-mark hold fuelphp

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

dnf --showduplicates list fuelphp sudo dnf downgrade fuelphp-<VERSION_BEFORE_1.1> sudo dnf versionlock add fuelphp

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.

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-2014-1999?

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

Is CVE-2014-1999 being exploited?

CVE-2014-1999 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-2014-1999 affect?

CVE-2014-1999 affects fuelphp. Severity is high (CVSS 7.5). The auto-format feature in the Request_Curl class in FuelPHP 1.1 through 1.7.1 allows remote attackers to execute arbitrary code via a crafted response.

How urgent is CVE-2014-1999?

Priority 48/100. High severity

Software pages

curl vulnerabilities

References

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