CVE-2014-3434
MEDIUM · CVSS 6.9EPSS 1.6%EU EUVD
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.
Key facts
- CVSS score
- 6.9 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:M/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-119
- EPSS score
- 1.6% (76th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2014-3446)
- Published
- August 6, 2014
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2014-3446 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- symantec / endpoint protection
- symantec / endpoint protection
- symantec / endpoint protection
Certified products that may be affected
2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Symantec™ Endpoint Protection Version 12.1.2 - Symantec Corporation - Common Criteria 383-4-217 - archived
- Symantec™ Endpoint Protection Version 11.0 - Symantec Corporation - Common Criteria 383-4-84 - archived
References
- http://packetstormsecurity.com/files/127772/Symantec-Endpoint-Protection-11.x-12.x-Kernel-Pool-Overflow.html
- http://secunia.com/advisories/58996
- http://secunia.com/advisories/59697
- http://www.exploit-db.com/exploits/34272(Exploit)
- http://www.kb.cert.org/vuls/id/252068(US Government Resource)
- http://www.osvdb.org/109663
- http://www.securityfocus.com/bid/68946(Exploit)
- http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20140804_00(Vendor Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/95062
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain