How severe is CVE-2011-0515?

CVE-2011-0515 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2011-0515 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-0515?

CVE-2011-0515 primarily affects Kingsoft Kingsoft Antivirus. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-0515?

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

When was CVE-2011-0515 published?

CVE-2011-0515 was published on 2011-01-20 and last updated on 2026-06-16.

CVE-2011-0515

CVE-2011-0515 is a low-severity vulnerability in Kingsoft Kingsoft Antivirus 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.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Kingsoft Kingsoft Antivirus
Published: 2011-01-20
Last modified: 2026-06-16

Description

KisKrnl.sys 2011.1.13.89 and earlier in Kingsoft AntiVirus 2011 SP5.2 allows local users to cause a denial of service (crash) via a crafted request that is not properly handled by the KiFastCallEntry hook.

Frequently asked questions

What is CVE-2011-0515?: KisKrnl.sys 2011.1.13.89 and earlier in Kingsoft AntiVirus 2011 SP5.2 allows local users to cause a denial of service (crash) via a crafted request that is not properly handled by the KiFastCallEntry hook.
How severe is CVE-2011-0515?: CVE-2011-0515 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2011-0515 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0515?: CVE-2011-0515 primarily affects Kingsoft Kingsoft Antivirus. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0515?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-0515 published?: CVE-2011-0515 was published on 2011-01-20 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:kingsoft:kingsoft_antivirus:2010.04.26.648:*:*:*:*:*:*:*
cpe:2.3:a:kingsoftsecurity:kingsoft_antivirus:2011:sp5.2:*:*:*:*:*:*

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