CVE-2006-0640: Orbicule Undercover allows attackers with physical or root access to disable the protection by using the chmod

Routine

LOW 2.1MITIGATE

CVE-2006-0640 is a low-severity flaw (CVSS 2.1) affecting undercover. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Orbicule Undercover allows attackers with physical or root access to disable the protection by using the chmod command to change the permissions of the /private/etc/uc.app/Contents/MacOS/uc file, which prevents the service from being started in LaunchDaemon.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	2.1 (Low)
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Published	2006-02-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: orbicule

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2006-02-10 11:02 UTCPublished CVE record published
2026-06-16 22:20 UTCUpdated Record last modified

orbicule undercover MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy undercover || rpm -q undercover || undercover --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2006-0640?

undercover: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-0640 being exploited?

CVE-2006-0640 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2006-0640 affect?

CVE-2006-0640 affects undercover. Severity is low (CVSS 2.1). Orbicule Undercover allows attackers with physical or root access to disable the protection by using the chmod command to change the permissions of the /private/etc/uc.app/Contents/MacOS/uc file, which prevents the service from being starte

How urgent is CVE-2006-0640?

Priority 13/100. No elevated risk signals yet.

Software pages

macOS vulnerabilities

Related CVEs

CVE-2007-0336 MEDIUM 4.4 MITIGATE Undercover.app/Contents/Resources/uc in Rixstep Undercover allows local users to overwrite arbitrary files, pr
CVE-2006-0641 LOW 2.6 MITIGATE Orbicule Undercover uses a third-party web server to determine the IP address through which the computer is ac

References

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