HOMEVULNERABILITIESCVE-2018-5240
HIGH

CVE-2018-5240

NVD-CWE-noinfoPublished: July 25, 2018· Updated: Jun 17, 2026

8.0
CVSS v3.1

Official Description

The Inventory Plugin for Symantec Management Agent prior to 7.6 POST HF7, 8.0 POST HF6, or 8.1 RU7 may be susceptible to a privilege escalation vulnerability, which is a type of issue that allows a user to gain elevated access to resources that are normally protected at lower access levels.

NVD Source

Technical Analysis

CVE-2018-5240 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

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 8.0.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

symantec1 product(s)
inventory
Source: NVD CPE · 3 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/104753
ADVISORYhttp://www.securitytracker.com/id/1041654
ADVISORYhttps://support.symantec.com/en_US/article.SYMSA1456.html
ADVISORYhttp://www.securityfocus.com/bid/104753
ADVISORYhttp://www.securitytracker.com/id/1041654
ADVISORYhttps://support.symantec.com/en_US/article.SYMSA1456.html

All References (6)

→
http://www.securityfocus.com/bid/104753Third Party Advisory · VDB Entry
→
http://www.securitytracker.com/id/1041654Third Party Advisory
→
https://support.symantec.com/en_US/article.SYMSA1456.htmlMitigation · Vendor Advisory
→
http://www.securityfocus.com/bid/104753Third Party Advisory · VDB Entry
→
http://www.securitytracker.com/id/1041654Third Party Advisory
→
https://support.symantec.com/en_US/article.SYMSA1456.htmlMitigation · Vendor Advisory

Quick Facts

CVE IDCVE-2018-5240
CVSS Score8.0 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedJul 25, 2018

Related CVEs (NVD-CWE-noinfo)

CVE-2013-2422
10.0
CVE-2009-2543
10.0
CVE-2005-2222
10.0
CVE-2009-2452
10.0
CVE-2026-46798
10.0
CVE-2008-6546
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-5240 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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