HOMEVULNERABILITIESCVE-2018-5239
MEDIUM

CVE-2018-5239

NVD-CWE-noinfoPublished: July 16, 2018· Updated: Jun 17, 2026

6.2
CVSS v3.1

Official Description

Norton App Lock prior to v1.3.0.332 can be susceptible to a bypass exploit. In this type of circumstance, the exploit can allow the user to circumvent the app to prevent it from locking the device, thereby allowing the individual to gain device access.

NVD Source

Technical Analysis

CVE-2018-5239 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires high 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 6.2.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

symantec1 product(s)
norton app lock
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/104693
ADVISORYhttps://support.symantec.com/en_US/article.SYMSA1455.html
ADVISORYhttp://www.securityfocus.com/bid/104693
ADVISORYhttps://support.symantec.com/en_US/article.SYMSA1455.html

All References (4)

→
http://www.securityfocus.com/bid/104693Third Party Advisory · VDB Entry
→
https://support.symantec.com/en_US/article.SYMSA1455.htmlMitigation · Vendor Advisory
→
http://www.securityfocus.com/bid/104693Third Party Advisory · VDB Entry
→
https://support.symantec.com/en_US/article.SYMSA1455.htmlMitigation · Vendor Advisory

Quick Facts

CVE IDCVE-2018-5239
CVSS Score6.2 / 10
SeverityMEDIUM
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedJul 16, 2018

Related CVEs (NVD-CWE-noinfo)

CVE-2014-2623
10.0
CVE-2015-3042
10.0
CVE-2008-4873
10.0
CVE-2017-3623
10.0
CVE-2011-0807
10.0
CVE-2015-5895
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-5239 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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