CVE-1999-1340

Exp

Buffer overflow in faxalter in hylafax 4.0.2 allows local users to gain privileges via a long -m command line argument.

Published: 1999-11-04 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-1340 is rated High Exploit Risk (63.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.91%). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-1999-1340

EDB-ID Source Kind Published Link
19590 exploit_db edb 1999-11-03 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-1999-1340

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 0.43% 0.91% +0.48%
2 2026-02-13 0.13% 0.43% +0.30%
3 2025-03-30 — 0.13% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-1340

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.2 2.0 HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 3.9 10.0 [email protected]

Weakness enumeration for CVE-1999-1340

Affected software / configurations for CVE-1999-1340

Vendor Product Version Raw CPE
hylafax hylafax 4.0.2 cpe:2.3:a:hylafax:hylafax:4.0.2:*:*:*:*:*:*:*

References for CVE-1999-1340

cvelogic Threat Intelligence