HOMEVULNERABILITIESCVE-2017-13674
HIGH

CVE-2017-13674

NVD-CWE-noinfoPublished: September 1, 2017· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

Symantec ProxyClient 3.4 for Windows is susceptible to a privilege escalation vulnerability. A malicious local Windows user can, under certain circumstances, exploit this vulnerability to escalate their privileges on the system and execute arbitrary code with LocalSystem privileges.

NVD Source

Technical Analysis

CVE-2017-13674 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 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.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

symantec1 product(s)
proxyclient
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/100554
ADVISORYhttps://www.symantec.com/security-center/network-protection-security-advisories/SA152
ADVISORYhttp://www.securityfocus.com/bid/100554
ADVISORYhttps://www.symantec.com/security-center/network-protection-security-advisories/SA152

All References (4)

→
http://www.securityfocus.com/bid/100554Third Party Advisory · VDB Entry
→
https://www.symantec.com/security-center/network-protection-security-advisories/SA152Vendor Advisory
→
http://www.securityfocus.com/bid/100554Third Party Advisory · VDB Entry
→
https://www.symantec.com/security-center/network-protection-security-advisories/SA152Vendor Advisory

Quick Facts

CVE IDCVE-2017-13674
CVSS Score7.8 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedSep 1, 2017

Related CVEs (NVD-CWE-noinfo)

CVE-2021-35652
10.0
CVE-2023-38586
10.0
CVE-2020-14701
10.0
CVE-2020-14606
10.0
CVE-2020-1467
10.0
CVE-2023-40455
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2017-13674 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. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2017-13674·NVD