CVE-2002-1911
ZoneAlarm Pro 3.0 and 3.1, when configured to block all traffic, allows remote attackers to cause...
ZoneAlarm Pro 3.0 and 3.1, when configured to block all traffic, allows remote attackers to cause a denial of service (CPU and memory consumption) via a large number of SYN packets (SYN flood). NOTE: the vendor was not able to reproduce the issue.
Exploit likelihood
What each source reports
NVD Score used
ZoneAlarm Pro 3.0 and 3.1, when configured to block all traffic, allows remote attackers to cause a denial of service (CPU and memory consumption) via a large number of SYN packets (SYN flood). NOTE: the vendor was not able to reproduce the issue.
- Record
CVE-2002-1911- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
ZoneAlarm Pro 3.0 and 3.1, when configured to block all traffic, allows remote attackers to cause a denial of service (CPU and memory consumption) via a large number of SYN packets (SYN flood). NOTE: the vendor was not able to reproduce the issue.
- Record
CVE-2002-1911- Updated
- 2026-11-02
EUVDEUVD-2002-1890 No score
ZoneAlarm Pro 3.0 and 3.1, when configured to block all traffic, allows remote attackers to cause a denial of service (CPU and memory consumption) via a large number of SYN packets (SYN flood). NOTE: the vendor was not able to reproduce the issue.
- Record
EUVD-2002-1890- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4wcf-6fv3-7rr5 No score
ZoneAlarm Pro 3.0 and 3.1, when configured to block all traffic, allows remote attackers to cause...
ZoneAlarm Pro 3.0 and 3.1, when configured to block all traffic, allows remote attackers to cause a denial of service (CPU and memory consumption) via a large number of SYN packets (SYN flood). NOTE: the vendor was not able to reproduce the issue.
- Record
GHSA-4wcf-6fv3-7rr5- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Zone Labs ZoneAlarm 3.0/3.1 - Syn Flood Denial of Service | 2002-10-16 |
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-2002-1911 is a medium vulnerability (CVSS 5.0) in Zonelabs Zonealarm, published December 31, 2002. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.13%, the 87th percentile. No source names a fixed version.