Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2002-2042

27
FAUCET Score

CVE-2002-2042 describes a critical vulnerability in the QNX realtime operating system (RTOS) versions 4.25 and 6.1.0, where the ptrace function allows local users to attach to privileged processes. This flaw enables the modification of running processes, potentially leading to arbitrary code execution. With a CVSS score of 7.2, this vulnerability is highly severe, requiring local access but having low attack complexity, and resulting in complete compromise of confidentiality, integrity, and availability. While not listed on CISA's KEV catalog or experiencing widespread community discussion or media coverage, an exploit for QNX 6.x arbitrary process modification via ptrace is publicly available on ExploitDB.

Impacted Technologies

VendorProductVersion(s)CPE
4.25CPE matchmatch criteria
cpe:2.3:a:qnx:rtos:4.25:*:*:*:*:*:*:*
6.1.0CPE matchmatch criteria
cpe:2.3:a:qnx:rtos:6.1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

AV:L/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.03%
Probability of exploitation in next 30 days
EPSS Percentile
60.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-21507 · Jun 3, 2002
This CVE's current EPSS score of 0.0103 is in the 79th percentile among its peer group of 3,236 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

online.securityfocus.com / archive/1/275218
iss.net / security_center/static/9260.php
securityfocus.com / bid/4919
Exploit