Vulnerability Monitor

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CVE-2014-3434

Buffer overflow in the sysplant driver in Symantec Endpoint Protection (SEP) Client 11.x and 12.x before 12.1 RU4 MP1b, and Small Business Edition before SEP 12.1, allows local users to execute arbitrary code via a long argument to a 0x00222084 IOCTL call.

Security Impact Summary

CVE-2014-3434 is a security vulnerability that . Impacting 1 product from symantec organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2014, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2014-08-06T19:55:03.557

Last Modified

2026-06-17T00:08:10.713

Status

Modified

Source

[email protected]

Severity

CVSSv2: 6.9 (MEDIUM)

CVSSv2 Vector

AV:L/AC:M/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.4

Impact Score

10.0

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	symantec	endpoint_protection	11.0	Yes
Application	symantec	endpoint_protection	12.0	Yes
Application	symantec	endpoint_protection	12.1	Yes

References

http://packetstormsecurity.com/files/127772/Symantec-Endpoint-Protection-11.x-12.x-Kernel-Pool-Overflow.html ([email protected])
http://secunia.com/advisories/58996 ([email protected])
http://secunia.com/advisories/59697 ([email protected])
http://www.exploit-db.com/exploits/34272 Exploit ([email protected])
http://www.kb.cert.org/vuls/id/252068 US Government Resource ([email protected])
http://www.osvdb.org/109663 ([email protected])
http://www.securityfocus.com/bid/68946 Exploit ([email protected])
http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20140804_00 Vendor Advisory ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/95062 ([email protected])
http://packetstormsecurity.com/files/127772/Symantec-Endpoint-Protection-11.x-12.x-Kernel-Pool-Overflow.html (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/58996 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/59697 (af854a3a-2127-422b-91ae-364da2661108)
http://www.exploit-db.com/exploits/34272 Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://www.kb.cert.org/vuls/id/252068 US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/109663 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/68946 Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20140804_00 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/95062 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For symantec's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.