CVE-2018-18958
OPNsense 18.7.x before 18.7.7 has Incorrect Access Control.
OPNsense 18.7.x before 18.7.7 has Incorrect Access Control.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
OPNsense 18.7.x before 18.7.7 has Incorrect Access Control.
- Record
CVE-2018-18958- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:P/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
CVE List No score
OPNsense 18.7.x before 18.7.7 has Incorrect Access Control.
- Record
CVE-2018-18958- Updated
- 2026-11-02
EUVDEUVD-2018-10662 No score
OPNsense 18.7.x before 18.7.7 has Incorrect Access Control.
- Record
EUVD-2018-10662- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-47h9-x635-g2cq
OPNsense 18.7.x before 18.7.7 has Incorrect Access Control.
OPNsense 18.7.x before 18.7.7 has Incorrect Access Control.
- Record
GHSA-47h9-x635-g2cq- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
OSV
OPNsense 18.7.x before 18.7.7 has Incorrect Access Control.
- Record
CVE-2018-18958- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-18958 is a medium vulnerability (CVSS 6.5) in Opnsense, published June 17, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.63%, the 50th percentile. No source names a fixed version.