CVE-2002-1983

Exp

The timer implementation in QNX RTOS 6.1.0 allows local users to cause a denial of service (hang) and possibly execute arbitrary code by creating multiple timers with a 1-ms tick.

Published: 2002-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2002-1983 is rated Exploit Available (50/100): CVSS Low severity, with medium exploitation likelihood (EPSS 0.99%). 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-2002-1983

EDB-ID Source Kind Published Link
21984 exploit_db edb 2002-11-06 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2002-1983

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 0.45% 0.99% +0.54%
2 2026-03-29 0.25% 0.45% +0.20%
3 2025-07-27 — 0.25% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-1983

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:N/I:N/A:P 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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.9 2.9 [email protected]

Weakness enumeration for CVE-2002-1983

Affected software / configurations for CVE-2002-1983

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

References for CVE-2002-1983

cvelogic Threat Intelligence