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
Published Jan 31, 2011
9.3
HIGHCVSS 2.0
EPSS 34.52%
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
No data.
Configuration 1
- 10.0
- 10.0
- 10.0
- 10.0.1
- 10.0.1.1
- 10.0.1.2
- 10.0.2
- 10.0.2.1
- 10.0.2.2
- 10.0.3
- 10.0.4
- 10.0.5
- 10.0.6
- 10.0.7
- 10.0.8
- 10.0.9
- 10.1
- 10.1
- 10.1
- 10.1
- 10.1
- 10.1
- 10.1.0.1
- 10.1.4
- 10.1.4.1
- 10.1.5
- 10.1.5.1
- 10.1.6
- 10.1.6.1
- 10.1.7
- 10.1.8
- 10.1.9
- 10.2
- 10.2
- 10.2
Configuration 2
- 10.0
- 10.1
Configuration 3
- 3.5
- 3.6
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 34.52% (0.34516) | 98.38th | v5 (v2026.06.15) |
| Jun 15, 2026 | 34.52% (0.34516) | 98.20th | v5 (v2026.06.15) |
| Mar 30, 2025 | 60.59% (0.60589) | 98.12th | v4 (v2025.03.14) |
| Mar 29, 2025 | 64.67% (0.64667) | 97.85th | v4 (v2025.03.14) |
| Mar 17, 2025 | 60.59% (0.60589) | 98.10th | v4 (v2025.03.14) |
| Feb 2, 2025 | 27.35% (0.27347) | 96.84th | v3 (v2023.03.01) |
| Dec 19, 2024 | 30.68% (0.30680) | 96.96th | v3 (v2023.03.01) |
| Dec 17, 2024 | 28.50% (0.28501) | 96.85th | v3 (v2023.03.01) |
| Dec 12, 2024 | 37.45% (0.37451) | 97.33th | v3 (v2023.03.01) |
| Jun 28, 2024 | 36.62% (0.36620) | 97.20th | v3 (v2023.03.01) |
| May 16, 2024 | 30.07% (0.30069) | 96.91th | v3 (v2023.03.01) |
| Apr 2, 2024 | 32.55% (0.32555) | 96.92th | v3 (v2023.03.01) |
| Feb 17, 2024 | 25.83% (0.25829) | 96.56th | v3 (v2023.03.01) |
| Dec 30, 2023 | 22.08% (0.22076) | 96.02th | v3 (v2023.03.01) |
| Nov 10, 2023 | 16.06% (0.16056) | 95.41th | v3 (v2023.03.01) |
| Sep 21, 2023 | 13.40% (0.13401) | 94.91th | v3 (v2023.03.01) |
| Mar 7, 2023 | 12.01% (0.12010) | 94.41th | v3 (v2023.03.01) |
| Mar 6, 2023 | 51.27% (0.51273) | 98.74th | v2 (v2022.01.01) |
| Mar 23, 2022 | 51.27% (0.51273) | 98.35th | v2 (v2022.01.01) |
| Feb 4, 2022 | 52.17% (0.52172) | 98.35th | v2 (v2022.01.01) |
References (9)
- http://secunia.com/advisories/43099 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/43106 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securitytracker.com/id?1024997 vdb-entryx_refsource_SECTRACK
- http://www.securityfocus.com/bid/45935 vdb-entryx_refsource_BID
- http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2011&suid=20110126_01 x_refsource_CONFIRM
- http://www.vupen.com/english/advisories/2011/0234 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.zerodayinitiative.com/advisories/ZDI-11-029 x_refsource_MISC
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64942 vdb-entryx_refsource_XF
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64943 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/43099 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://secunia.com/advisories/43106 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://securitytracker.com/id?1024997 | vdb-entryx_refsource_SECTRACK | |
| http://www.securityfocus.com/bid/45935 | vdb-entryx_refsource_BID | |
| http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2011&suid=20110126_01 | x_refsource_CONFIRM | |
| http://www.vupen.com/english/advisories/2011/0234 | vdb-entryx_refsource_VUPENVendor Advisory | |
| http://www.zerodayinitiative.com/advisories/ZDI-11-029 | x_refsource_MISC | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/64942 | vdb-entryx_refsource_XF | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/64943 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.