CVE-1999-0770
Firewall-1 sets a long timeout for connections that begin with ACK or other packets except SYN,...
Firewall-1 sets a long timeout for connections that begin with ACK or other packets except SYN, allowing an attacker to conduct a denial of service via a large number of connection attempts to unresponsive systems.
Exploit likelihood
What each source reports
NVD Score used
Firewall-1 sets a long timeout for connections that begin with ACK or other packets except SYN, allowing an attacker to conduct a denial of service via a large number of connection attempts to unresponsive systems.
- Record
CVE-1999-0770- CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
Firewall-1 sets a long timeout for connections that begin with ACK or other packets except SYN, allowing an attacker to conduct a denial of service via a large number of connection attempts to unresponsive systems.
- Record
CVE-1999-0770- Updated
- 2026-11-02
EUVDEUVD-1999-0751 No score
Firewall-1 sets a long timeout for connections that begin with ACK or other packets except SYN, allowing an attacker to conduct a denial of service via a large number of connection attempts to unresponsive systems.
- Record
EUVD-1999-0751- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cmfr-w36g-hm8h No score
Firewall-1 sets a long timeout for connections that begin with ACK or other packets except SYN,...
Firewall-1 sets a long timeout for connections that begin with ACK or other packets except SYN, allowing an attacker to conduct a denial of service via a large number of connection attempts to unresponsive systems.
- Record
GHSA-cmfr-w36g-hm8h- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Check Point Software Firewall-1 3.0/1 4.0 - Table Saturation Denial of Service | 1999-07-29 |
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-1999-0770 is a low vulnerability (CVSS 2.1) in Checkpoint Firewall-1, published July 29, 1999. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.07%, the 65th percentile. No source names a fixed version.