CVE-1999-1534

Exp

Buffer overflow in (1) nlservd and (2) rnavc in Knox Software Arkeia backup product allows local users to obtain root access via a long HOME environmental variable.

Published: 1999-09-23 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-1534 is rated Exploit Available (53.8/100): CVSS High severity, with low exploitation likelihood (EPSS 0.13%). 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-1999-1534

EDB-ID Source Kind Published Link
19511 exploit_db edb 1999-09-26 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-1999-1534

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 0.19% 0.13% -0.06%
2 2025-03-29 0.13% 0.19% +0.06%
3 2025-03-17 — 0.13% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-1534

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-1999-1534

Affected software / configurations for CVE-1999-1534

Vendor Product Version Raw CPE
knox_software arkeia 4.0 cpe:2.3:a:knox_software:arkeia:4.0:*:*:*:*:*:*:*

References for CVE-1999-1534

cvelogic Threat Intelligence