Auth bypass in Flightgear Simgear
CVE-2025-0781
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.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (26.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Flightgear Simgear — versions 0
- Debian Linux — versions 11.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gitlab.com/flightgear/simgear/-/commit/5bb023647114267141a7610e8f1ca7d6f4f5a5a8 (Patch)
- gitlab.com/flightgear/flightgear/-/commit/ad37afce28083fad7f79467b3ffdead753584… (Patch)
- gitlab.com/flightgear/flightgear/-/issues/3025 (issue-tracking, permissions-required, Broken Link)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-0781?
- CVE-2025-0781 is a high-severity vulnerability in Flightgear Simgear, classified under Incorrect Authorization. CVSS score: 8.6/10. Published 2025-01-28.
- How severe is CVE-2025-0781?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2025-0781 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.