Skip to content
Fencer Intel
high 7.8

CVE-2020-8856 in the critical feed json

This vulnerability allows remote atackers to execute arbitrary code on affected installations of Foxit PhantomPDF 9.6.0.25608.

published 6y ago modified 4mo ago also EUVD-2020-29698

cvss
7.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
19.8%
EPSS 19.8% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

This vulnerability allows remote atackers to execute arbitrary code on affected installations of Foxit PhantomPDF 9.6.0.25608. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of watermarks. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-9640.

Is CVE-2020-8856 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

19.84% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Foxit PhantomPDF

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.