CVE-1999-0349

A buffer overflow in the FTP list (ls) command in IIS allows remote attackers to conduct a denial of service and, in some cases, execute arbitrary commands.

Published: 1999-01-27 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-1999-0349 is rated Moderate Risk (63.8/100): CVSS High severity, with high exploitation likelihood (EPSS 11.24%, 93th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.33% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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-1999-0349

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 9.91% 11.24% +1.33%
2 2025-03-29 11.24% 9.91% -1.33%
3 2025-03-19 11.24%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0349

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/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:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-1999-0349

OS Trackers for CVE-1999-0349

vendor priority summary link
alpine CVE-1999-0349: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-1999-0349

Affected software / configurations for CVE-1999-0349

Vendor Product Version Raw CPE
microsoft internet_information_server 3.0 cpe:2.3:a:microsoft:internet_information_server:3.0:*:*:*:*:*:*:*
microsoft internet_information_server 4.0 cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:*

References for CVE-1999-0349

cvelogic Threat Intelligence