How severe is CVE-2011-0652?

CVE-2011-0652 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2011-0652 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-0652?

CVE-2011-0652 primarily affects Looknstop Look 'n' Stop Firewall. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-0652?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-0652 published?

CVE-2011-0652 was published on 2011-01-28 and last updated on 2026-06-16.

CVE-2011-0652

CVE-2011-0652 is a low-severity vulnerability in Looknstop Look 'n' Stop Firewall with a CVSS 2.0 base score of 2.1. 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-20.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Looknstop Look 'n' Stop Firewall
Published: 2011-01-28
Last modified: 2026-06-16

Description

lnsfw1.sys 6.0.2900.5512 in Look 'n' Stop Firewall 2.06p4 and 2.07 allows local users to cause a denial of service (crash) via a crafted 0x80000064 IOCTL request that triggers an assertion failure. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2011-0652?: lnsfw1.sys 6.0.2900.5512 in Look 'n' Stop Firewall 2.06p4 and 2.07 allows local users to cause a denial of service (crash) via a crafted 0x80000064 IOCTL request that triggers an assertion failure. NOTE: some of these details are obtained from third party information.
How severe is CVE-2011-0652?: CVE-2011-0652 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2011-0652 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0652?: CVE-2011-0652 primarily affects Looknstop Look 'n' Stop Firewall. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0652?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-0652 published?: CVE-2011-0652 was published on 2011-01-28 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:looknstop:look_\'n\'_stop_firewall:2.06:p4:*:*:*:*:*:*
cpe:2.3:a:looknstop:look_\'n\'_stop_firewall:2.07:*:*:*:*:*:*:*

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