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CVE-2020-8856

35
FAUCET Score

CVE-2020-8856 is a remote code execution vulnerability affecting Foxit PhantomPDF and Reader on Windows, specifically version 9.6.0.25608. It stems from improper handling of watermarks, where the software fails to validate an object's existence before operations, allowing an attacker to execute arbitrary code within the user's process. This high-severity vulnerability (CVSS 7.8) requires user interaction, typically by opening a malicious file or visiting a malicious page. While no public exploits or Metasploit modules are available, and community discussion is minimal, its FAUCET Risk Score of 86/100 indicates significant potential impact if exploited.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.7.0.29478CPE matchmatch criteria
cpe:2.3:a:foxitsoftware:reader:*:*:*:*:*:*:*:*
<= 9.7.0.29455CPE matchmatch criteria
cpe:2.3:a:foxitsoftware:phantompdf:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
19.84%
Probability of exploitation in next 30 days
EPSS Percentile
97.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1984 is in the 97th percentile among its peer group of 11,617 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

foxitsoftware.com / support/security-bulletins.php
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-20-212
Third Party AdvisoryVDB Entry