CVE-2018-20301
Permissive parameters and privilege escalation
An issue was discovered in Steve Pallen Coherence before 0.5.2 that is similar to a Mass Assignment vulnerability. In particular, "registration" endpoints (e.g., creating, editing, updating) allow users to update any coherence_fields data. For example, users can automatically confirm their accounts by sending the confirmed_at parameter with their registration request.
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
An issue was discovered in Steve Pallen Coherence before 0.5.2 that is similar to a Mass Assignment vulnerability. In particular, "registration" endpoints (e.g., creating, editing, updating) allow users to update any coherence_fields data. For example, users can automatically confirm their accounts by sending the confirmed_at parameter with their registration request.
- Record
CVE-2018-20301- 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-20
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in Steve Pallen Coherence before 0.5.2 that is similar to a Mass Assignment vulnerability. In particular, "registration" endpoints (e.g., creating, editing, updating) allow users to update any coherence_fields data. For example, users can automatically confirm their accounts by sending the confirmed_at parameter with their registration request.
- Record
CVE-2018-20301- Updated
- 2026-11-02
EUVDEUVD-2022-1108 No score
An issue was discovered in Steve Pallen Coherence before 0.5.2 that is similar to a Mass Assignment vulnerability. In particular, "registration" endpoints (e.g., creating, editing, updating) allow users to update any coherence_fields data. For example, users can automatically confirm their accounts by sending the confirmed_at parameter with their registration request.
- Record
EUVD-2022-1108- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mrq8-53r4-3j5m
Permissive parameters and privilege escalation
An issue was discovered in Steve Pallen Coherence before 0.5.2 that is similar to a Mass Assignment vulnerability. In particular, "registration" endpoints (e.g., creating, editing, updating) allow users to update any coherence_fields data. For example, users can automatically confirm their accounts by sending the confirmed_at parameter with their registration request.
- Record
GHSA-mrq8-53r4-3j5m- 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-20
- Updated
- 2026-11-02
OSV
An issue was discovered in Steve Pallen Coherence before 0.5.2 that is similar to a Mass Assignment vulnerability. In particular, "registration" endpoints (e.g., creating, editing, updating) allow users to update any coherence_fields data. For example, users can automatically confirm their accounts by sending the confirmed_at parameter with their registration request.
- Record
CVE-2018-20301- 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
OSVGHSA-mrq8-53r4-3j5m
Permissive parameters and privilege escalation
An issue was discovered in Steve Pallen Coherence before 0.5.2 that is similar to a Mass Assignment vulnerability. In particular, "registration" endpoints (e.g., creating, editing, updating) allow users to update any coherence_fields data. For example, users can automatically confirm their accounts by sending the confirmed_at parameter with their registration request.
- Record
GHSA-mrq8-53r4-3j5m- 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-20
- Updated
- 2026-11-02
Affected products
Affected packages
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-2018-20301 is a medium vulnerability (CVSS 6.5) in Coherence Project Coherence, published December 20, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.90%, the 59th percentile. Fixed in coherence 0.5.2.