How severe is CVE-2010-0111?

CVE-2010-0111 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2010-0111 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 35% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-0111?

CVE-2010-0111 primarily affects Symantec Antivirus. In total, 39 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-0111?

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-2010-0111 published?

CVE-2010-0111 was published on 2011-01-31 and last updated on 2026-06-16.

CVE-2010-0111

CVE-2010-0111 is a critical-severity vulnerability in Symantec Antivirus with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 35% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 35% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Symantec Antivirus
Published: 2011-01-31
Last modified: 2026-06-16

Description

HDNLRSVC.EXE in the Intel Alert Handler service (aka Symantec Intel Handler service) in Intel Alert Management System (aka AMS or AMS2), as used in Symantec AntiVirus Corporate Edition (SAVCE) 10.x before 10.1 MR10, Symantec System Center (SSC) 10.x, and Symantec Quarantine Server 3.5 and 3.6, allows remote attackers to execute arbitrary programs by sending msgsys.exe a UNC share pathname, which is used directly in a CreateProcessA (aka CreateProcess) call.

Frequently asked questions

What is CVE-2010-0111?: HDNLRSVC.EXE in the Intel Alert Handler service (aka Symantec Intel Handler service) in Intel Alert Management System (aka AMS or AMS2), as used in Symantec AntiVirus Corporate Edition (SAVCE) 10.x before 10.1 MR10, Symantec System Center (SSC) 10.x, and Symantec Quarantine Server 3.5 and 3.6, allows remote attackers to execute arbitrary programs by sending msgsys.exe a UNC share pathname, which is used directly in a CreateProcessA (aka CreateProcess) call.
How severe is CVE-2010-0111?: CVE-2010-0111 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2010-0111 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 35% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-0111?: CVE-2010-0111 primarily affects Symantec Antivirus. In total, 39 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-0111?: 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-2010-0111 published?: CVE-2010-0111 was published on 2011-01-31 and last updated on 2026-06-16.

References

Affected products (39)

cpe:2.3:a:symantec:antivirus:10.0:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0:mr1:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0:mr2:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.1:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.1.1:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.1.2:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.2:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.2.1:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.2.2:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.3:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.4:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.5:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.6:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.7:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.8:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.9:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1:mp1:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1:mr4:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1:mr5:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1:mr6:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1:mr7:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.0.1:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.4:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.4.1:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.5:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.5.1:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.6:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.6.1:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.7:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.8:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.9:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.2:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.2:mr2:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.2:mr3:corporate:*:*:*:*:*
cpe:2.3:a:symantec:system_center:10.0:*:*:*:*:*:*:*
cpe:2.3:a:symantec:system_center:10.1:*:*:*:*:*:*:*
cpe:2.3:a:symantec:antivirus_central_quarantine_server:3.5:*:*:*:*:*:*:*
cpe:2.3:a:symantec:antivirus_central_quarantine_server:3.6:*:*:*:*:*:*:*

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