CVE-1999-0438

Remote attackers can perform a denial of service in WebRamp systems by sending a malicious UDP packet to port 5353, changing its IP address.

Published: 1999-03-01 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-0438 is rated Moderate Risk (48/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.86%). EPSS rose +1.28% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-1999-0438

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 2026-06-15 0.58% 1.86% +1.28%
2 2025-03-17 0.27% 0.58% +0.31%
3 2024-02-08 — 0.27% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0438

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-1999-0438

OS Trackers for CVE-1999-0438

vendor priority summary link
alpine — CVE-1999-0438: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-1999-0438

Affected software / configurations for CVE-1999-0438

Vendor Product Version Raw CPE
ramp_networks webramp_200i 1.0 cpe:2.3:h:ramp_networks:webramp_200i:1.0:*:*:*:*:*:*:*
ramp_networks webramp_m3 1.0 cpe:2.3:h:ramp_networks:webramp_m3:1.0:*:*:*:*:*:*:*

References for CVE-1999-0438

cvelogic Threat Intelligence