CVE-2025-67603
Lack of client authorization allows arbitrary users to influence the firewall configuration
A Improper Authorization vulnerability in Foomuuri llows arbitrary users to influence the firewall configuration.This issue affects Foomuuri: from ? before 0.31.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Lack of client authorization allows arbitrary users to influence the firewall configuration
A Improper Authorization vulnerability in Foomuuri llows arbitrary users to influence the firewall configuration.This issue affects Foomuuri: from ? before 0.31.
- Record
CVE-2025-67603- CVSS 4.0
- 5.1 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N - Weakness
- CWE-285
- Updated
- 2026-11-02
EUVDEUVD-2026-1562
A Improper Authorization vulnerability in Foomuuri llows arbitrary users to influence the firewall configuration.This issue affects Foomuuri: from ? before 0.31.
- Record
EUVD-2026-1562- CVSS 4.0
- 5.1 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-r6jh-234r-fv5v
A Improper Authorization vulnerability in Foomuuri llows arbitrary users to influence the...
A Improper Authorization vulnerability in Foomuuri llows arbitrary users to influence the firewall configuration.This issue affects Foomuuri: from ? before 0.31.
- Record
GHSA-r6jh-234r-fv5v- CVSS 4.0
- 5.1 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-285
- Updated
- 2026-11-02
NVD
A Improper Authorization vulnerability in Foomuuri llows arbitrary users to influence the firewall configuration.This issue affects Foomuuri: from ? before 0.31.
- Record
CVE-2025-67603- CVSS 4.0
- 5.1 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-285
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2025-67603
A Improper Authorization vulnerability in Foomuuri llows arbitrary users to influence the firewall configuration.This issue affects Foomuuri: from ? before 0.31.
- Record
DEBIAN-CVE-2025-67603- CVSS 4.0
- 5.1 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Updated
- 2026-11-02
OSVUBUNTU-CVE-2025-67603
A Improper Authorization vulnerability in Foomuuri llows arbitrary users to influence the firewall configuration.This issue affects Foomuuri: from ? before 0.31.
- Record
UBUNTU-CVE-2025-67603- CVSS 4.0
- 5.1 Medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N - Updated
- 2026-11-02
OSVUSN-8326-1 No score
foomuuri vulnerabilities
Matthias Gerstner discovered that Foomuuri's D-Bus service did not properly enforce authorization. An unprivileged local attacker could possibly use this issue to manipulate the firewall configuration, contrary to expectations. (CVE-2025-67603)
Matthias Gerstner discovered that Foomuuri's D-Bus service did not properly validate interface names. A local attacker could possibly use this issue to manipulate the firewall configuration in unintended ways. (CVE-2025-67858)
- Record
USN-8326-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
foomuuriDebian:13 |
before 0.27-2+deb13u1, plus listed versions 0.27-2 |
0.27-2+deb13u1 |
foomuuriDebian:14 |
before 0.31-1, plus listed versions 0.27-20.28-10.28-1~bpo13+10.29-10.29-1~bpo13+10.30-10.30-1~bpo13+10.31-1~bpo13+1 |
0.31-1 |
foomuuriUbuntu:Pro:24.04:LTS |
before 0.22-1ubuntu0.1~esm1, plus listed versions 0.20-10.21-10.21-20.22-1 |
0.22-1ubuntu0.1~esm1 |
foomuuriUbuntu:25.10 |
before 0.27-2+deb13u1build0.25.10.1, plus listed versions 0.27-2 |
0.27-2+deb13u1build0.25.10.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-67603 is a medium vulnerability (CVSS 5.1) in Https://github.com/foobaroy/ Foomuuri, published January 7, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 5th percentile. Fixed in foomuuri 0.27-2+deb13u1.