HOME VULNERABILITIESCVE-2018-18933

CRITICAL

CVE-2018-18933

CWE-125Published: November 5, 2018· Updated: Jun 17, 2026

9.1

CVSS v3.1

Official Description

The u3d plugin 9.3.0.10809 (aka plugins\U3DBrowser.fpi) in FoxitReader.exe in Foxit Reader 9.3.0.10826 allows remote attackers to cause a denial of service (out-of-bounds read) or obtain sensitive information via a U3D sample because of a "Read Access Violation near NULL starting at FoxitReader!safe_vsnprintf+0x00000000002c4330" issue.

Technical Analysis

CVE-2018-18933 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), availability disruption (denial of service), with a CVSS base score of 9.1.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected Vendors & Products

foxitsoftware2 product(s)

foxit readeru3d

Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time

Offensive Security exploit database

GitHub PoC Search

Community PoC repositories

Rapid7 / Metasploit

Metasploit module search

Security advisories & exploits

Official NIST entry

CVE Program entry

External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://www.foxitsoftware.com/support/security-bulletins.php

ADVISORYhttps://github.com/Yan-1-20/Yan-1-20.github.io/blob/master/2018/11/02/2018/11/2018-11-02/index.html

ADVISORYhttps://github.com/Yan-1-20/Yan-1-20.github.io/blob/master/2018/11/10/2018/11/2018-11-10/index.html

ADVISORYhttps://yan-1-20.github.io/2018/11/02/2018/11/2018-11-02/

ADVISORYhttps://yan-1-20.github.io/2018/11/10/2018/11/2018-11-10/

ADVISORYhttps://github.com/Yan-1-20/Yan-1-20.github.io/blob/master/2018/11/02/2018/11/2018-11-02/index.html

ADVISORYhttps://github.com/Yan-1-20/Yan-1-20.github.io/blob/master/2018/11/10/2018/11/2018-11-10/index.html

ADVISORYhttps://yan-1-20.github.io/2018/11/02/2018/11/2018-11-02/

ADVISORYhttps://yan-1-20.github.io/2018/11/10/2018/11/2018-11-10/

All References (9)

→

https://github.com/Yan-1-20/Yan-1-20.github.io/blob/master/2018/11/02/2018/11/2018-11-02/index.htmlBroken Link · Third Party Advisory

→

https://github.com/Yan-1-20/Yan-1-20.github.io/blob/master/2018/11/10/2018/11/2018-11-10/index.htmlBroken Link · Third Party Advisory

→

https://yan-1-20.github.io/2018/11/02/2018/11/2018-11-02/Broken Link · Third Party Advisory

→

https://yan-1-20.github.io/2018/11/10/2018/11/2018-11-10/Broken Link · Third Party Advisory

→

https://www.foxitsoftware.com/support/security-bulletins.phpPatch · Vendor Advisory

→

https://github.com/Yan-1-20/Yan-1-20.github.io/blob/master/2018/11/02/2018/11/2018-11-02/index.htmlBroken Link · Third Party Advisory

→

https://github.com/Yan-1-20/Yan-1-20.github.io/blob/master/2018/11/10/2018/11/2018-11-10/index.htmlBroken Link · Third Party Advisory

→

https://yan-1-20.github.io/2018/11/02/2018/11/2018-11-02/Broken Link · Third Party Advisory

→

https://yan-1-20.github.io/2018/11/10/2018/11/2018-11-10/Broken Link · Third Party Advisory

Quick Facts

CVE IDCVE-2018-18933

CVSS Score9.1 / 10

SeverityCRITICAL

WeaknessCWE-125

CISA KEVNo

Affected1 vendor(s)

PublishedNov 5, 2018

Related CVEs (CWE-125)

Recommended Actions

→Apply vendor patches immediately
→Monitor CVE-2018-18933 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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