CVE-2003-1449: Aladdin Knowlege Systems eSafe Gateway 3.5.126.0 does not check the entire stream of Content Vectoring Protoco

This month

HIGH 7.5DOWNGRADE

CVE-2003-1449 is a high-severity flaw (CVSS 7.5) affecting esafe gateway. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Aladdin Knowlege Systems eSafe Gateway 3.5.126.0 does not check the entire stream of Content Vectoring Protocol (CVP) data, which allows remote attackers to bypass virus protection.

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	1.4% (top 27%)
CISA exploited list	No
Weakness	CWE-16
Published	2003-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: aladdin knowledge systems

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

Am I affected?

Timeline

2003-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:04 UTCUpdated Record last modified

aladdin knowledge systems esafe gateway DOWNGRADE

Affected: 3.5.126.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.5.126.0

1. Check installed version

apt-cache policy esafe-gateway || rpm -q esafe-gateway || esafe-gateway --version

2. No fixed release: DOWNGRADE to a release before 3.5.126.0 (Debian / Ubuntu)

apt-cache madison esafe-gateway sudo apt install esafe-gateway=<VERSION_BEFORE_3.5.126.0> sudo apt-mark hold esafe-gateway

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

dnf --showduplicates list esafe-gateway sudo dnf downgrade esafe-gateway-<VERSION_BEFORE_3.5.126.0> sudo dnf versionlock add esafe-gateway

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-2003-1449?

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

Is CVE-2003-1449 being exploited?

CVE-2003-1449 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-2003-1449 affect?

CVE-2003-1449 affects esafe gateway. Severity is high (CVSS 7.5). Aladdin Knowlege Systems eSafe Gateway 3.5.126.0 does not check the entire stream of Content Vectoring Protocol (CVP) data, which allows remote attackers to bypass virus protection.

How urgent is CVE-2003-1449?

Priority 44/100. High severity

Related CVEs

CVE-2001-0521 HIGH 7.5 DOWNGRADE Aladdin eSafe Gateway versions 3.0 and earlier allows a remote attacker to circumvent HTML SCRIPT filtering vi
CVE-2001-0520 HIGH 7.5 DOWNGRADE Aladdin eSafe Gateway versions 3.0 and earlier allows a remote attacker to circumvent filtering of SCRIPT tags
CVE-2001-0519 HIGH 7.5 DOWNGRADE Aladdin eSafe Gateway versions 2.x allows a remote attacker to circumvent HTML SCRIPT filtering via a special

References

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