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Fencer Vulns
high 8.6

CVE-2025-0781 json

Incorrect Authorization in SimGear

published 2025-01-28 21 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-1857

cvss
8.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 29%
public exploits
0
none known

Summary

An attacker can bypass the sandboxing of Nasal scripts and arbitrarily write to any file path that the user has permission to modify at the operating-system level.

Patch / fix

  • simgear Debian 12 1:2020.3.16+dfsg-1+deb12u1
  • simgear Debian 14, Debian 13 1:2020.3.19+dfsg-1
  • flightgear Debian 12 1:2020.3.16+dfsg-1+deb12u1
  • flightgear Debian 13 1:2020.3.19+dfsg-1

debian advisories DEBIAN-CVE-2025-0781

  • simgear Ubuntu Pro 16.04 LTS 3.4.0-3ubuntu0.1~esm1
  • simgear Ubuntu Pro 18.04 LTS 1:2018.1.1+dfsg-1ubuntu0.1~esm1
  • simgear Ubuntu Pro 20.04 LTS 1:2019.1.1+dfsg-3ubuntu0.1~esm1
  • simgear Ubuntu Pro 22.04 LTS 1:2020.3.6+dfsg-1ubuntu0.1~esm2
  • simgear Ubuntu Pro 24.04 LTS 1:2020.3.18+dfsg-2.1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2025-0781

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-0781 updated cvss 8.6

simgear: Incorrect Authorization in SimGear

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.6 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
NVD 3.1 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

  • FlightGear SimGear

Classification

Weakness

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.