CVE-2002-2039

Exp

/bin/su in QNX realtime operating system (RTOS) 4.25 and 6.1.0 allows local users to obtain sensitive information from core dump files by sending the SIGSERV (invalid memory reference) signal.

Published: 2002-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2002-2039 is rated Exploit Available (50/100): CVSS Low severity, with medium exploitation likelihood (EPSS 0.84%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: 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-2002-2039

EDB-ID Source Kind Published Link
21502 exploit_db edb 2002-06-03 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2002-2039

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 0.38% 0.84% +0.47%
2 2025-12-06 0.17% 0.38% +0.21%
3 2025-03-17 0.17%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-2039

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N 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:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
3.9 2.9 [email protected]

Weakness enumeration for CVE-2002-2039

Affected software / configurations for CVE-2002-2039

Vendor Product Version Raw CPE
qnx rtos 4.25 cpe:2.3:a:qnx:rtos:4.25:*:*:*:*:*:*:*
qnx rtos 6.1.0 cpe:2.3:a:qnx:rtos:6.1.0:*:*:*:*:*:*:*

References for CVE-2002-2039

cvelogic Threat Intelligence