CVE-2003-1192: Stack-based buffer overflow in IA WebMail Server 3.1.0 allows remote attackers to execute arbitrary code via a

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HIGH 10.0DOWNGRADE

CVE-2003-1192 is a high-severity flaw (CVSS 10.0) affecting ia webmail server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in IA WebMail Server 3.1.0 allows remote attackers to execute arbitrary code via a long GET request.

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	69.2% (top 1%)
CISA exploited list	No
Published	2003-11-03
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: truenorth software

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

Am I affected?

Timeline

2003-11-03 05:00 UTCPublished CVE record published
2026-06-16 22:03 UTCUpdated Record last modified

truenorth software ia webmail server DOWNGRADE

Affected: 3.0 · 3.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0

1. Check installed version

apt-cache policy ia-webmail-server || rpm -q ia-webmail-server || ia-webmail-server --version

2. No fixed release: DOWNGRADE to a release before 3.0 (Debian / Ubuntu)

apt-cache madison ia-webmail-server sudo apt install ia-webmail-server=<VERSION_BEFORE_3.0> sudo apt-mark hold ia-webmail-server

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

dnf --showduplicates list ia-webmail-server sudo dnf downgrade ia-webmail-server-<VERSION_BEFORE_3.0> sudo dnf versionlock add ia-webmail-server

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: IA WebMail Server 3.0/3.1 - GET Buffer Overrun
Exploit-DB: IA WebMail Server 3.x - 'iaregdll.dll 1.0.0.5' Remote Overflow
Exploit-DB: IA WebMail Server 3.x - Remote Buffer Overflow (Metasploit)
Metasploit: IA WebMail 3.x 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-2003-1192?

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

Is CVE-2003-1192 being exploited?

CVE-2003-1192 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-2003-1192 affect?

CVE-2003-1192 affects ia webmail server. Severity is high (CVSS 10.0). Stack-based buffer overflow in IA WebMail Server 3.1.0 allows remote attackers to execute arbitrary code via a long GET request.

How urgent is CVE-2003-1192?

Priority 65/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference

References

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