CVE-1999-0351

FTP PASV "Pizza Thief" denial of service and unauthorized data access. Attackers can steal data by connecting to a port that was intended for use by a client.

Published: 1999-02-01 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-0351 is rated Moderate Risk (52.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.89%). 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-1999-0351

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 2026-04-21 0.73% 0.89% +0.17%
2 2025-03-30 0.87% 0.73% -0.14%
3 2025-03-29 — 0.87% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0351

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/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:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 4.9 [email protected]

Weakness enumeration for CVE-1999-0351

OS Trackers for CVE-1999-0351

vendor priority summary link
alpine — CVE-1999-0351: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-1999-0351

Affected software / configurations for CVE-1999-0351

Vendor Product Version Raw CPE
ftp ftp_pasv — cpe:2.3:a:ftp:ftp_pasv:*:*:*:*:*:*:*:*

References for CVE-1999-0351

cvelogic Threat Intelligence