CVE-2002-2063: AtGuard 3.2 allows remote attackers to bypass firwall filters and execute prohibited programs by changing the

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HIGH 7.5DOWNGRADE

CVE-2002-2063 is a high-severity flaw (CVSS 7.5) affecting atguard personal firewall. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

AtGuard 3.2 allows remote attackers to bypass firwall filters and execute prohibited programs by changing the filenames to permitted filenames.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Published	2002-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: atguard

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

Am I affected?

Timeline

2002-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:00 UTCUpdated Record last modified

atguard atguard personal firewall DOWNGRADE

Affected: 3.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.2

1. Check installed version

apt-cache policy atguard-personal-firewall || rpm -q atguard-personal-firewall || atguard-personal-firewall --version

2. No fixed release: DOWNGRADE to a release before 3.2 (Debian / Ubuntu)

apt-cache madison atguard-personal-firewall sudo apt install atguard-personal-firewall=<VERSION_BEFORE_3.2> sudo apt-mark hold atguard-personal-firewall

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

dnf --showduplicates list atguard-personal-firewall sudo dnf downgrade atguard-personal-firewall-<VERSION_BEFORE_3.2> sudo dnf versionlock add atguard-personal-firewall

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-2002-2063?

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

Is CVE-2002-2063 being exploited?

CVE-2002-2063 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-2002-2063 affect?

CVE-2002-2063 affects atguard personal firewall. Severity is high (CVSS 7.5). AtGuard 3.2 allows remote attackers to bypass firwall filters and execute prohibited programs by changing the filenames to permitted filenames.

How urgent is CVE-2002-2063?

Priority 51/100. High severity; Public exploit reference

References

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