CVE-1999-0345

Jolt ICMP attack causes a denial of service in Windows 95 and Windows NT systems.

Published: 1997-01-01 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-0345 is rated Moderate Risk (42.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.50%). 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-1999-0345

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 2025-03-30 0.56% 0.50% -0.06%
2 2025-03-29 0.50% 0.56% +0.06%
3 2025-03-17 — 0.50% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0345

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-1999-0345

OS Trackers for CVE-1999-0345

vendor priority summary link
alpine — CVE-1999-0345: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-1999-0345

Affected software / configurations for CVE-1999-0345

Vendor Product Version Raw CPE
freebsd freebsd 1.0 cpe:2.3:o:freebsd:freebsd:1.0:*:*:*:*:*:*:*
freebsd freebsd 1.1 cpe:2.3:o:freebsd:freebsd:1.1:*:*:*:*:*:*:*
freebsd freebsd 1.1.5.1 cpe:2.3:o:freebsd:freebsd:1.1.5.1:*:*:*:*:*:*:*
freebsd freebsd 1.2 cpe:2.3:o:freebsd:freebsd:1.2:*:*:*:*:*:*:*
freebsd freebsd 2.0 cpe:2.3:o:freebsd:freebsd:2.0:*:*:*:*:*:*:*
freebsd freebsd 2.0.5 cpe:2.3:o:freebsd:freebsd:2.0.5:*:*:*:*:*:*:*
ibm aix 3.2 cpe:2.3:o:ibm:aix:3.2:*:*:*:*:*:*:*
ibm aix 4.1 cpe:2.3:o:ibm:aix:4.1:*:*:*:*:*:*:*
ibm aix 4.2 cpe:2.3:o:ibm:aix:4.2:*:*:*:*:*:*:*
sco internet_faststart 1.0 cpe:2.3:o:sco:internet_faststart:1.0:*:*:*:*:*:*:*
sco internet_faststart 1.1 cpe:2.3:o:sco:internet_faststart:1.1:*:*:*:*:*:*:*
sco open_desktop 3 cpe:2.3:o:sco:open_desktop:3:*:*:*:*:*:*:*
sco openserver 5 cpe:2.3:o:sco:openserver:5:*:*:*:*:*:*:*
sun sunos — cpe:2.3:o:sun:sunos:*:*:*:*:*:*:*:*
ibm sng 2.1 cpe:2.3:h:ibm:sng:2.1:*:*:*:*:*:*:*
ibm sng 2.2 cpe:2.3:h:ibm:sng:2.2:*:*:*:*:*:*:*

References for CVE-1999-0345

cvelogic Threat Intelligence