5.5

CVE-2002-0793: blackberry qnx_neutrino_real-time_operating_system Link Following

CVSS: 5.5v3.1MediumModified
Published 26-07-2002Last modified 08-08-2024
Open JSON

Vulnerability summary

CVE-2002-0793 is a medium (CVSS 5.5) Link Following vulnerability in blackberry qnx_neutrino_real-time_operating_system. EPSS estimates a 1.34% chance of exploitation in the next 30 days, higher than 71.1% of scored vulnerabilities. 5 public exploits are recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.34%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits5reference, exploit-database

Timeline

  1. 26-07-2002
    PublishedVulnerability first disclosed.
  2. 08-08-2024
    Last modifiedVulnerability information updated.

Description

Hard link and possibly symbolic link following vulnerabilities in QNX RTOS 4.25 (aka QNX4) allow local users to overwrite arbitrary files via (1) the -f argument to the monitor utility, (2) the -d argument to dumper, (3) the -c argument to crttrap, or (4) using the Watcom sample utility.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.34%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

0.00 pp

From 1.34% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.34%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

5 found
  • referenceUnverified

    Exploit Reference (securityfocus.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (archives.neohapsis.com)

    Maturity: unknown

  • exploit-databaselocallinuxVerified

    QNX RTOS 4.25 - 'CRTTrap' File Disclosure

    Maturity: weaponized

Show all 5 exploits
  • exploit-databaselocallinuxVerified

    QNX RTOS 4.25 - dumper Arbitrary File Modification

    Maturity: weaponized

  • exploit-databaselocallinuxVerified

    QNX RTOS 4.25 - monitor Arbitrary File Modification

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Blackberry1 product

1 vendor · 1 product

References

9 links