HOMEVULNERABILITIESCVE-2018-12245
HIGH

CVE-2018-12245

CWE-426Published: November 29, 2018· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

Symantec Endpoint Protection prior to 14.2 MP1 may be susceptible to a DLL Preloading vulnerability, which in this case is an issue that can occur when an application being installed unintentionally loads a DLL provided by a potential attacker. Note that this particular type of exploit only manifests at install time; no remediation is required for software that has already been installed. This issue only impacted the Trialware media for Symantec Endpoint Protection, which has since been updated.

NVD Source

Technical Analysis

CVE-2018-12245 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

symantec1 product(s)
endpoint protection
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securityfocus.com/bid/105919
ADVISORYhttps://support.symantec.com/content/unifiedweb/en_US/article.SYMSA1468.html
ADVISORYhttp://www.securityfocus.com/bid/105919
ADVISORYhttps://support.symantec.com/content/unifiedweb/en_US/article.SYMSA1468.html

All References (4)

→
http://www.securityfocus.com/bid/105919Third Party Advisory · VDB Entry
→
https://support.symantec.com/content/unifiedweb/en_US/article.SYMSA1468.htmlVendor Advisory
→
http://www.securityfocus.com/bid/105919Third Party Advisory · VDB Entry
→
https://support.symantec.com/content/unifiedweb/en_US/article.SYMSA1468.htmlVendor Advisory

Quick Facts

CVE IDCVE-2018-12245
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-426
CISA KEVNo
Affected1 vendor(s)
PublishedNov 29, 2018

Related CVEs (CWE-426)

CVE-2011-4125
9.8
CVE-2025-26155
9.8
CVE-2022-3734
9.8
CVE-2023-26036
9.8
CVE-2017-12414
9.8
CVE-2018-19486
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-12245 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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