CVE-1999-0770 json
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…
published 1999-07-29 27 y ago modified 2026-06-16 4 mo ago also EUVD-1999-0751
- cvss
- 2.1
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 1
- Exploit-DB
Summary
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.
Patch / fix
- securityfocus.com/bid/549 advisory
Timeline
- First public exploit (EDB-19436)
- Published
Exploit prediction
1.07% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-19436 Check Point Software Firewall-1 3.0/1 4.0 - Table Saturation Denial of Service dos, 1999-07-29
- securityfocus.com http://www.securityfocus.com/bid/549 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
References
-
securityfocus.com
/bid/549
vdb-entry, exploit, patch, vendor-advisory
-
osvdb.org
/1027
vdb-entry
Sources
- CVE List CVE-1999-0770
- NVD CVE-1999-0770
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