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CVE-2021-31437

25
FAUCET Score

CVE-2021-31437 is a remote code execution vulnerability affecting Foxit Studio Photo 3.6.6.931, specifically within its JP2 file parsing. This high-severity flaw (CVSS 7.8) requires user interaction, where a victim must open a malicious file or visit a malicious page, leading to a write past the end of an allocated structure and enabling arbitrary code execution. While the vulnerability has a high potential impact, there is currently no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.6.6.933CPE matchmatch criteria
cpe:2.3:a:foxitsoftware:foxit_studio_photo:*:*:*:*:*:*:*:*

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
2.76%
Probability of exploitation in next 30 days
EPSS Percentile
84.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0276 is in the 85th percentile among its peer group of 11,621 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.html
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-21-480
Third Party AdvisoryVDB Entry