CVE-2010-0111Antivirus Vulnerability
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…
Published Jan 31, 2011 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2010-0111 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Antivirus (Symantec), Antivirus Central Quarantine Server (Symantec), System Center (Symantec).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 35% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
35%
Higher than 98.4% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
55/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
- advisory43099
- advisory43106
- advisoryADV-2011-0234
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.
Affected Products
39 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| AntivirusSymantec | 10.0.1.1, 10.0.1.2, 10.0.1, 10.0.2.1, 10.0.2.2, 10.0.2, 10.0.3, 10.0.4 | n/a |
| Antivirus Central Quarantine ServerSymantec | 3.5, 3.6 | n/a |
| System CenterSymantec | 10.0, 10.1 | n/a |
Timeline
Publicly disclosed
Jan 31, 2011
Last updated
Apr 28, 2026
Weakness Type
- CWE-20 Improper Input Validation
References
- advisory43099
- advisory43106
- advisoryADV-2011-0234
- exploitMSF ams_hndlrsvc.rb
- other1024997
FAQ
Common Questions.
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…
Affected: Antivirus (Symantec) versions 10.0.1.1, 10.0.1.2, 10.0.1, 10.0.2.1, 10.0.2.2, 10.0.2, 10.0.3, 10.0.4; Antivirus Central Quarantine Server (Symantec) versions 3.5, 3.6; System Center (Symantec) versions 10.0, 10.1. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2010-0111 On Your Attack Surface?
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