VulnerabilityModified

CVE-2006-0620

Race condition in phfont in QNX Neutrino RTOS 6.2.1 allows local users to execute arbitrary code via unspecified manipulations of the PHFONT and PHOTON2_PATH environment variables.

EXPLOIT ✓MEDIUM 6.2EPSS 0.80%

Does this matter?

A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 0.8%. Treat it as high on anything reachable from the internet.

Description

Race condition in phfont in QNX Neutrino RTOS 6.2.1 allows local users to execute arbitrary code via unspecified manipulations of the PHFONT and PHOTON2_PATH environment variables.

CVSS 2.0: 6.2 MEDIUMAV:L/AC:H/Au:N/C:C/I:C/A:C
EPSS: 0.80% probability · 56th percentile
Public exploits: 1 in Exploit-DB · verified · first 8 February 2006
CISA KEV: Not listed
Affected: qnx/rtos
Source: cve@mitre.org

EPSS trend

EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-ID	Title	Type	Published	Verified
EDB-1479 source ↗	QNX Neutrino 6.2.1 - 'phfont' Race Condition Privilege Escalationqnx · kokanin	local	8 February 2006	yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.