How severe is CVE-2006-0061?

CVE-2006-0061 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2006-0061 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-0061?

CVE-2006-0061 primarily affects Sillycycle Xlockmore. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-0061?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2006-0061 published?

CVE-2006-0061 was published on 2019-11-06 and last updated on 2026-06-16.

CVE-2006-0061

CVE-2006-0061 is a critical-severity vulnerability in Sillycycle Xlockmore with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Sillycycle Xlockmore
Published: 2019-11-06
Last modified: 2026-06-16

Description

xlockmore 5.13 and 5.22 segfaults when using libpam-opensc and returns the underlying xsession. This allows unauthorized users access to the X session.

Frequently asked questions

What is CVE-2006-0061?: xlockmore 5.13 and 5.22 segfaults when using libpam-opensc and returns the underlying xsession. This allows unauthorized users access to the X session.
How severe is CVE-2006-0061?: CVE-2006-0061 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2006-0061 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-0061?: CVE-2006-0061 primarily affects Sillycycle Xlockmore. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-0061?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2006-0061 published?: CVE-2006-0061 was published on 2019-11-06 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:sillycycle:xlockmore:5.13:*:*:*:*:*:*:*
cpe:2.3:a:sillycycle:xlockmore:5.22:*:*:*:*:*:*:*

More vulnerabilities in Sillycycle Xlockmore

CVE-2006-0062 — Critical (CVSS 9.8): xlockmore 5.13 allows potential xlock bypass when FVWM switches to the same virtual desktop as a new Gaim window.
CVE-2012-4524 — High (CVSS 7.5): xlockmore before 5.43 'dclock' security bypass vulnerability

All CVEs affecting Sillycycle Xlockmore →

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