SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-1999-0683

Denial of service in Gauntlet Firewall via a malformed ICMP packet.

EXPLOIT ✓MEDIUM 5.0EPSS 2.36%

Does this matter?

A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 2.4%. Treat it as high on anything reachable from the internet.

Description

Denial of service in Gauntlet Firewall via a malformed ICMP packet.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
2.36% probability · 84th percentile
Public exploits
1 in Exploit-DB · verified · first 30 July 1999
CISA KEV
Not listed
Affected
network associates/gauntlet firewall
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 2.36%26 October 202626 October 2026

EPSS 2.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-19441source ↗Network Associates Gauntlet Firewall 5.0 - Denial of Servicehardware · Mike Frantzendos30 July 1999yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.