HOMEVULNERABILITIESCVE-2021-38096
HIGH

CVE-2021-38096

CWE-787Published: October 1, 2021· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

Coreip.dll in Corel PDF Fusion 2.6.2.0 is affected by an Out-of-bounds Write vulnerability when parsing a crafted file. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious PDF file.

NVD Source

Technical Analysis

CVE-2021-38096 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

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.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

corel1 product(s)
pdf fusion
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

ADVISORYhttps://www.fortiguard.com/zeroday/FG-VD-21-025
ADVISORYhttps://www.fortinet.com/blog/threat-research/fortinet-security-researcher-discovers-multiple-vulnerabilities-across-multiple-corel-products
ADVISORYhttps://www.fortiguard.com/zeroday/FG-VD-21-025
ADVISORYhttps://www.fortinet.com/blog/threat-research/fortinet-security-researcher-discovers-multiple-vulnerabilities-across-multiple-corel-products

All References (4)

→
https://www.fortiguard.com/zeroday/FG-VD-21-025Third Party Advisory
→
https://www.fortinet.com/blog/threat-research/fortinet-security-researcher-discovers-multiple-vulnerabilities-across-multiple-corel-productsThird Party Advisory
→
https://www.fortiguard.com/zeroday/FG-VD-21-025Third Party Advisory
→
https://www.fortinet.com/blog/threat-research/fortinet-security-researcher-discovers-multiple-vulnerabilities-across-multiple-corel-productsThird Party Advisory

Quick Facts

CVE IDCVE-2021-38096
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-787
CISA KEVNo
Affected1 vendor(s)
PublishedOct 1, 2021

Related CVEs (CWE-787)

CVE-2018-17160
10.0
CVE-2019-6235
10.0
CVE-2018-6692
10.0
CVE-2018-2913
10.0
CVE-2018-3991
10.0
CVE-2019-5684
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-38096 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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