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Fencer Intel
medium 5.3

CVE-2020-7374 json

Documalis Free PDF Editor / Free PDF Scanner Stack Based Buffer Overflow

published 6y ago modified 4mo ago also EUVD-2020-28501

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits
1
Metasploit

Summary

Documalis Free PDF Editor version 5.7.2.26 and Documalis Free PDF Scanner version 5.7.2.122 do not appropriately validate the contents of JPEG images contained within a PDF. Attackers can exploit this vulnerability to trigger a buffer overflow on the stack and gain remote code execution as the user running the Documalis Free PDF Editor or Documalis Free PDF Scanner software.

Patch / fix

Is CVE-2020-7374 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.

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Timeline

  1. First public exploit (Metasploit exploit/windows/fileformat/documalis_pdf_editor_and_scanner)
  2. Published

Exploit prediction

3.09% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
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

  • Documalis Free PDF Editor
  • Documalis Free PDF Scanner

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

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.