Buffer overflow in an ActiveX control (SYMLTCOM.dll) in Symantec N360 1.0 and 2.0; Norton Internet Security, AntiVirus, SystemWorks, and Confidential 2006 through 2008; and Symantec Client Security 3.0.x before 3.1 MR9, and 3.1.x before MR9; allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors. NOTE: this is only a vulnerability if the attacker can "masquerade as an authorized site."
Conclusion & alert: CVE-2010-0107 is rated Moderate Risk (64.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 6.53%, 93th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 27.11% | 6.53% | -20.59% |
| 2 | 2025-03-19 | 28.15% | 27.11% | -1.04% |
| 3 | 2025-03-17 | — | 28.15% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| symantec | client_security | 3.0 | cpe:2.3:a:symantec:client_security:3.0:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.1.1000 | cpe:2.3:a:symantec:client_security:3.0.1.1000:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.1.1001 | cpe:2.3:a:symantec:client_security:3.0.1.1001:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.1.1007 | cpe:2.3:a:symantec:client_security:3.0.1.1007:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.1.1008 | cpe:2.3:a:symantec:client_security:3.0.1.1008:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.1.1009 | cpe:2.3:a:symantec:client_security:3.0.1.1009:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.2 | cpe:2.3:a:symantec:client_security:3.0.2:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.2.2000 | cpe:2.3:a:symantec:client_security:3.0.2.2000:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.2.2001 | cpe:2.3:a:symantec:client_security:3.0.2.2001:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.2.2002 | cpe:2.3:a:symantec:client_security:3.0.2.2002:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.2.2010 | cpe:2.3:a:symantec:client_security:3.0.2.2010:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.2.2011 | cpe:2.3:a:symantec:client_security:3.0.2.2011:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.2.2020 | cpe:2.3:a:symantec:client_security:3.0.2.2020:*:*:*:*:*:*:* |
| symantec | client_security | 3.0.2.2021 | cpe:2.3:a:symantec:client_security:3.0.2.2021:*:*:*:*:*:*:* |
| symantec | client_security | 3.1 | cpe:2.3:a:symantec:client_security:3.1:*:*:*:*:*:*:* |
| symantec | client_security | 3.1 | cpe:2.3:a:symantec:client_security:3.1:mr4:*:*:*:*:*:* |
| symantec | client_security | 3.1 | cpe:2.3:a:symantec:client_security:3.1:mr5:*:*:*:*:*:* |
| symantec | client_security | 3.1 | cpe:2.3:a:symantec:client_security:3.1:mr6:*:*:*:*:*:* |
| symantec | client_security | 3.1.0.396 | cpe:2.3:a:symantec:client_security:3.1.0.396:*:*:*:*:*:*:* |
| symantec | client_security | 3.1.0.401 | cpe:2.3:a:symantec:client_security:3.1.0.401:*:*:*:*:*:*:* |
| symantec | client_security | 3.1.396 | cpe:2.3:a:symantec:client_security:3.1.396:*:*:*:*:*:*:* |
| symantec | client_security | 3.1.400 | cpe:2.3:a:symantec:client_security:3.1.400:*:*:*:*:*:*:* |
| symantec | client_security | 3.1.401 | cpe:2.3:a:symantec:client_security:3.1.401:*:*:*:*:*:*:* |
| symantec | norton_360 | 1.0 | cpe:2.3:a:symantec:norton_360:1.0:*:*:*:*:*:*:* |
| symantec | norton_360 | 2.0 | cpe:2.3:a:symantec:norton_360:2.0:*:*:*:*:*:*:* |
| symantec | norton_antivirus | 2006 | cpe:2.3:a:symantec:norton_antivirus:2006:*:*:*:*:*:*:* |
| symantec | norton_antivirus | 2007 | cpe:2.3:a:symantec:norton_antivirus:2007:*:*:*:*:*:*:* |
| symantec | norton_antivirus | 2008 | cpe:2.3:a:symantec:norton_antivirus:2008:*:*:*:*:*:*:* |
| symantec | norton_internet_security | 2006 | cpe:2.3:a:symantec:norton_internet_security:2006:*:*:*:*:*:*:* |
| symantec | norton_internet_security | 2007 | cpe:2.3:a:symantec:norton_internet_security:2007:*:*:*:*:*:*:* |
| symantec | norton_internet_security | 2008 | cpe:2.3:a:symantec:norton_internet_security:2008:*:*:*:*:*:*:* |