CVE-1999-0683

Exp

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

Published: 1999-07-30 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-1999-0683 is rated High Exploit Risk (68.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 5.53%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.33% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-1999-0683

EDB-ID Source Kind Published Link
19441 exploit_db edb 1999-07-30 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-1999-0683

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-09-22 3.21% 5.53% +2.33%
2 2025-03-30 5.53% 3.21% -2.33%
3 2025-03-29 5.53%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0683

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-1999-0683

Affected software / configurations for CVE-1999-0683

Vendor Product Version Raw CPE
network_associates gauntlet_firewall 5.0 cpe:2.3:a:network_associates:gauntlet_firewall:5.0:*:*:*:*:*:*:*

References for CVE-1999-0683

URL Tags
http://www.osvdb.org/1029
http://www.securityfocus.com/bid/556 Exploit Patch Vendor Advisory
cvelogic Threat Intelligence