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Fencer Vulns
critical 9.3

CVE-2020-13542 json

A local privilege elevation vulnerability exists in the file system permissions of LogicalDoc 8.5.1 installation.

published 2020-12-03 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-5789

cvss
9.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

A local privilege elevation vulnerability exists in the file system permissions of LogicalDoc 8.5.1 installation. Depending on the vector chosen, an attacker can either replace the service binary or replace DLL files loaded by the service, both which get executed by a service thus executing arbitrary commands with System privileges.

Exploit prediction

0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2020-1154 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 9.3 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • n/a LogicalDoc

Classification

Weakness
  • CWE-276 Incorrect Default Permissions

References

Sources

Fencer Vulns 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.