CVE-2020-5840
HashBrown CMS Directory Traversal
An issue was discovered in HashBrown CMS before 1.3.2. Server/Entity/Resource/Connection.js allows an attacker to reach a parent directory via a crafted name or ID field.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in HashBrown CMS before 1.3.2. Server/Entity/Resource/Connection.js allows an attacker to reach a parent directory via a crafted name or ID field.
- Record
CVE-2020-5840- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in HashBrown CMS before 1.3.2. Server/Entity/Resource/Connection.js allows an attacker to reach a parent directory via a crafted name or ID field.
- Record
CVE-2020-5840- Updated
- 2026-11-02
EUVDEUVD-2022-4911 No score
An issue was discovered in HashBrown CMS before 1.3.2. Server/Entity/Resource/Connection.js allows an attacker to reach a parent directory via a crafted name or ID field.
- Record
EUVD-2022-4911- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q7hx-mrv5-6mrp
HashBrown CMS Directory Traversal
An issue was discovered in HashBrown CMS before 1.3.2. Server/Entity/Resource/Connection.js allows an attacker to reach a parent directory via a crafted name or ID field.
- Record
GHSA-q7hx-mrv5-6mrp- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSV
An issue was discovered in HashBrown CMS before 1.3.2. Server/Entity/Resource/Connection.js allows an attacker to reach a parent directory via a crafted name or ID field.
- Record
CVE-2020-5840- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-q7hx-mrv5-6mrp
HashBrown CMS Directory Traversal
An issue was discovered in HashBrown CMS before 1.3.2. Server/Entity/Resource/Connection.js allows an attacker to reach a parent directory via a crafted name or ID field.
- Record
GHSA-q7hx-mrv5-6mrp- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
hashbrown-cmsnpm |
before 1.3.2 | 1.3.2 |
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-2020-5840 is a high vulnerability (CVSS 7.5) in Hashbrowncms Hashbrown Cms, published January 6, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.49%, the 74th percentile. Fixed in hashbrown-cms 1.3.2.
References
github.com/HashBrownCMS/hashbrown-cms/compare/v1.3.1...v1.3.2
nvd.nist.gov/vuln/detail/CVE-2020-5840