HOMEVULNERABILITIESCVE-2016-1713
HIGHPOC

CVE-2016-1713

CWE-434Published: April 14, 2017· Updated: Jun 17, 2026

7.3
CVSS v3.1

Official Description

Unrestricted file upload vulnerability in the Settings_Vtiger_CompanyDetailsSave_Action class in modules/Settings/Vtiger/actions/CompanyDetailsSave.php in Vtiger CRM 6.4.0 allows remote authenticated users to execute arbitrary code by uploading a crafted image file with an executable extension, then accessing it via a direct request to the file in test/logo/. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-6000.

NVD Source

Technical Analysis

CVE-2016-1713 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 7.3.

A proof-of-concept (PoC) exploit exists for CVE-2016-1713. 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 InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

vtiger1 product(s)
vtiger crm
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://b.fl7.de/2016/01/vtiger-crm-6.4-auth-rce.html
ADVISORYhttp://www.openwall.com/lists/oss-security/2016/01/12/4
ADVISORYhttp://b.fl7.de/2016/01/vtiger-crm-6.4-auth-rce.html
ADVISORYhttp://www.openwall.com/lists/oss-security/2016/01/12/4

All References (8)

→
http://b.fl7.de/2016/01/vtiger-crm-6.4-auth-rce.htmlExploit · Technical Description · Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2016/01/12/4Mailing List · Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2016/01/12/7Mailing List
→
https://www.exploit-db.com/exploits/44379/
→
http://b.fl7.de/2016/01/vtiger-crm-6.4-auth-rce.htmlExploit · Technical Description · Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2016/01/12/4Mailing List · Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2016/01/12/7Mailing List
→
https://www.exploit-db.com/exploits/44379/

Quick Facts

CVE IDCVE-2016-1713
CVSS Score7.3 / 10
SeverityHIGH
WeaknessCWE-434
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedApr 14, 2017

Related CVEs (CWE-434)

CVE-2020-35489
10.0
CVE-2021-42645
10.0
CVE-2025-6327
10.0
CVE-2025-69129
10.0
CVE-2019-10959
10.0
CVE-2024-0916
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-1713 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.
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