HOMEVULNERABILITIESCVE-2017-6331
HIGHPOC

CVE-2017-6331

NVD-CWE-noinfoPublished: November 6, 2017· Updated: Jun 17, 2026

7.1
CVSS v3.1

Official Description

Prior to SEP 14 RU1 Symantec Endpoint Protection product can encounter an issue of Tamper-Protection Bypass, which is a type of attack that bypasses the real time protection for the application that is run on servers and clients.

NVD Source

Technical Analysis

CVE-2017-6331 requires local access, meaning attackers must already have a foothold on the target system.

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

A successful exploit results in full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.1.

A proof-of-concept (PoC) exploit exists for CVE-2017-6331. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Affected Vendors & Products

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

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
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/101502
ADVISORYhttp://www.securitytracker.com/id/1039775
ADVISORYhttps://www.exploit-db.com/exploits/43134/
ADVISORYhttps://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20171106_00
ADVISORYhttp://www.securityfocus.com/bid/101502
ADVISORYhttp://www.securitytracker.com/id/1039775
ADVISORYhttps://www.exploit-db.com/exploits/43134/
ADVISORYhttps://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20171106_00

All References (8)

→
http://www.securityfocus.com/bid/101502Third Party Advisory · VDB Entry
→
http://www.securitytracker.com/id/1039775Third Party Advisory · VDB Entry
→
https://www.exploit-db.com/exploits/43134/Exploit · Issue Tracking · Third Party Advisory · VDB Entry
→
https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20171106_00Issue Tracking · Vendor Advisory
→
http://www.securityfocus.com/bid/101502Third Party Advisory · VDB Entry
→
http://www.securitytracker.com/id/1039775Third Party Advisory · VDB Entry
→
https://www.exploit-db.com/exploits/43134/Exploit · Issue Tracking · Third Party Advisory · VDB Entry
→
https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20171106_00Issue Tracking · Vendor Advisory

Quick Facts

CVE IDCVE-2017-6331
CVSS Score7.1 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedNov 6, 2017

Related CVEs (NVD-CWE-noinfo)

CVE-2007-4372
10.0
CVE-2007-4493
10.0
CVE-2007-3907
10.0
CVE-2007-3263
10.0
CVE-2007-3264
10.0
CVE-2007-4910
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-6331 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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