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CVE-2021-34850

44
FAUCET Score

CVE-2021-34850 is a critical arbitrary code execution vulnerability affecting Foxit PDF Reader 11.0.0.49893 and related Foxit PDF Editor products. This flaw, stemming from improper validation of Annotation objects, allows remote attackers to execute code in the context of the current process if a user opens a malicious file or visits a malicious page. With a CVSS score of 7.8 (High), it requires user interaction but has low attack complexity, leading to high impacts on confidentiality, integrity, and availability. Currently, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), it is not listed in CISA's KEV catalog, and there is minimal community discussion or media coverage, suggesting it is not actively exploited in the wild.

Impacted Technologies

VendorProductVersion(s)CPE
<= 11.0.0.49893CPE matchmatch criteria
cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*
<= 10.1.4.37651CPE matchmatch criteria
cpe:2.3:a:foxitsoftware:pdf_editor:*:*:*:*:*:*:*:*
11.0.0.49893CPE matchmatch criteria
cpe:2.3:a:foxitsoftware:pdf_editor:11.0.0.49893:*:*:*:*:*:*:*

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
38.25%
Probability of exploitation in next 30 days
EPSS Percentile
98.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.3825 is in the 99th 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

foxit.com / support/security-bulletins.html
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-21-932
Third Party AdvisoryVDB Entry