CVE-2000-0339
ZoneAlarm 2.1.10 and earlier does not filter UDP packets with a source port of 67, which allows...
ZoneAlarm 2.1.10 and earlier does not filter UDP packets with a source port of 67, which allows remote attackers to bypass the firewall rules.
Exploit likelihood
What each source reports
NVD Score used
ZoneAlarm 2.1.10 and earlier does not filter UDP packets with a source port of 67, which allows remote attackers to bypass the firewall rules.
- Record
CVE-2000-0339- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
ZoneAlarm 2.1.10 and earlier does not filter UDP packets with a source port of 67, which allows remote attackers to bypass the firewall rules.
- Record
CVE-2000-0339- Updated
- 2026-11-02
EUVDEUVD-2000-0338 No score
ZoneAlarm 2.1.10 and earlier does not filter UDP packets with a source port of 67, which allows remote attackers to bypass the firewall rules.
- Record
EUVD-2000-0338- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g3hr-wqqr-vrqq No score
ZoneAlarm 2.1.10 and earlier does not filter UDP packets with a source port of 67, which allows...
ZoneAlarm 2.1.10 and earlier does not filter UDP packets with a source port of 67, which allows remote attackers to bypass the firewall rules.
- Record
GHSA-g3hr-wqqr-vrqq- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Zone Labs ZoneAlarm 2.1 Personal Firewall - Port 67 | 2000-04-24 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2000-0339 is a high vulnerability (CVSS 7.5) in Zonelabs Zonealarm, published April 24, 2000. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 7.26%, the 94th percentile. No source names a fixed version.