CVE-1999-0247

Buffer overflow in nnrpd program in INN up to version 1.6 allows remote users to execute arbitrary commands.

Published: 1997-07-21 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-0247 is rated Moderate Risk (61.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.01%). 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-1999-0247

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 4.05% 4.01% -0.04%
2 2025-10-26 3.32% 4.05% +0.73%
3 2025-10-15 — 3.32% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-0247

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-1999-0247

OS Trackers for CVE-1999-0247

vendor priority summary link
alpine — CVE-1999-0247: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-1999-0247

Affected software / configurations for CVE-1999-0247

Vendor Product Version Raw CPE
isc inn 1.4 cpe:2.3:a:isc:inn:1.4:*:*:*:*:*:*:*
isc inn 1.4sec cpe:2.3:a:isc:inn:1.4sec:*:*:*:*:*:*:*
isc inn 1.4sec2 cpe:2.3:a:isc:inn:1.4sec2:*:*:*:*:*:*:*
isc inn 1.4unoff3 cpe:2.3:a:isc:inn:1.4unoff3:*:*:*:*:*:*:*
isc inn 1.4unoff4 cpe:2.3:a:isc:inn:1.4unoff4:*:*:*:*:*:*:*
isc inn 1.5 cpe:2.3:a:isc:inn:1.5:*:*:*:*:*:*:*
isc inn 1.5.1 cpe:2.3:a:isc:inn:1.5.1:*:*:*:*:*:*:*

References for CVE-1999-0247

cvelogic Threat Intelligence