CVE-2002-0602: Snapgear Lite+ firewall 1.5.4 and 1.5.3 allows remote attackers to cause a denial of service (crash) via a lar

Routine

MEDIUM 5.0DOWNGRADE

CVE-2002-0602 is a medium-severity flaw (CVSS 5.0) affecting snapgear lite\+ firewall. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Snapgear Lite+ firewall 1.5.4 and 1.5.3 allows remote attackers to cause a denial of service (crash) via a large number of connections to (1) the HTTP web management port, or (2) the PPTP port.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.9% (top 21%)
CISA exploited list	No
Published	2002-06-18
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: snapgear

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

Am I affected?

Timeline

2002-06-18 04:00 UTCPublished CVE record published
2026-06-16 21:57 UTCUpdated Record last modified

snapgear snapgear lite\+ firewall DOWNGRADE

Affected: 1.5.3 · 1.5.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5.3

1. Check installed version

apt-cache policy snapgear-lite+-firewall || rpm -q snapgear-lite+-firewall || snapgear-lite+-firewall --version

2. No fixed release: DOWNGRADE to a release before 1.5.3 (Debian / Ubuntu)

apt-cache madison snapgear-lite+-firewall sudo apt install snapgear-lite+-firewall=<VERSION_BEFORE_1.5.3> sudo apt-mark hold snapgear-lite+-firewall

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

dnf --showduplicates list snapgear-lite+-firewall sudo dnf downgrade snapgear-lite+-firewall-<VERSION_BEFORE_1.5.3> sudo dnf versionlock add snapgear-lite+-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-2002-0602?

snapgear lite\+ firewall: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-0602 being exploited?

CVE-2002-0602 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-2002-0602 affect?

CVE-2002-0602 affects snapgear lite\+ firewall. Severity is medium (CVSS 5.0). Snapgear Lite+ firewall 1.5.4 and 1.5.3 allows remote attackers to cause a denial of service (crash) via a large number of connections to (1) the HTTP web management port, or (2) the PPTP port.

How urgent is CVE-2002-0602?

Priority 37/100. No elevated risk signals yet.

Related CVEs

CVE-2002-0604 MEDIUM 5.0 DOWNGRADE Snapgear Lite+ firewall 1.5.3 and 1.5.4 allows remote attackers to cause a denial of service (crash) via a lar
CVE-2002-0603 MEDIUM 5.0 DOWNGRADE Snapgear Lite+ firewall 1.5.3 allows remote attackers to cause a denial of service (IPSEC crash) via a zero le

References

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