CVE-2003-0263: Multiple buffer overflows in Floosietek FTGate Pro Mail Server (FTGatePro) 1.22 allow remote attackers to exec

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HIGH 7.5DOWNGRADE

CVE-2003-0263 is a high-severity flaw (CVSS 7.5) affecting ftgatepro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple buffer overflows in Floosietek FTGate Pro Mail Server (FTGatePro) 1.22 allow remote attackers to execute arbitrary code via long (1) MAIL FROM or (2) RCPT TO commands.

Why this priority

High severity
EPSS top 4%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	11.6% (top 4%)
CISA exploited list	No
Published	2003-05-27
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: floosietek

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2003-05-27 04:00 UTCPublished CVE record published
2026-06-16 22:01 UTCUpdated Record last modified

floosietek ftgatepro DOWNGRADE

Affected: 1.22_1328

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.22_1328

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.22_1328 (Debian / Ubuntu)

apt-cache madison ftgatepro sudo apt install ftgatepro=<VERSION_BEFORE_1.22_1328> sudo apt-mark hold ftgatepro

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

dnf --showduplicates list ftgatepro sudo dnf downgrade ftgatepro-<VERSION_BEFORE_1.22_1328> sudo dnf versionlock add ftgatepro

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: FloosieTek FTGate PRO 1.22 - SMTP MAIL FROM Buffer Overflow
Exploit-DB: FloosieTek FTGate PRO 1.22 - SMTP RCPT TO Buffer Overflow

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-2003-0263?

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

Is CVE-2003-0263 being exploited?

CVE-2003-0263 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-2003-0263 affect?

CVE-2003-0263 affects ftgatepro. Severity is high (CVSS 7.5). Multiple buffer overflows in Floosietek FTGate Pro Mail Server (FTGatePro) 1.22 allow remote attackers to execute arbitrary code via long (1) MAIL FROM or (2) RCPT TO commands.

How urgent is CVE-2003-0263?

Priority 55/100. High severity; EPSS top 4%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2002-2082 HIGH 7.5 DOWNGRADE DOWNGRADE FTGate and FTGate Pro 1.05 lock user mailboxes before authentication succeeds, which allows remote attackers t
CVE-2002-2080 MEDIUM 5.0 DOWNGRADE Floositek FTGate PRO 1.05 allows remote attackers to cause a denial of service (memory and CPU consumption) vi
CVE-2002-2078 HIGH 7.5 DOWNGRADE DOWNGRADE Heap-based buffer overflow in Floositek (1) FTGate Pro 1.05 and (2) FTGate Office 1.05 allows remote attackers

References

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