CVE-2010-0107

CVE-2010-0107 is a critical-severity vulnerability in Symantec Client Security with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Description

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."

Frequently asked questions

What is CVE-2010-0107?
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."
How severe is CVE-2010-0107?
CVE-2010-0107 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2010-0107 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-0107?
CVE-2010-0107 primarily affects Symantec Client Security. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-0107?
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-2010-0107 published?
CVE-2010-0107 was published on 2010-02-23 and last updated on 2026-06-16.

References

Affected products (31)

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