CVE-2018-16836
Rubedo through 3.4.0 contains a Directory Traversal vulnerability in the theme component,...
Rubedo through 3.4.0 contains a Directory Traversal vulnerability in the theme component, allowing unauthenticated attackers to read and execute arbitrary files outside of the service root path, as demonstrated by a /theme/default/img/%2e%2e/..//etc/passwd URI.
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
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Rubedo through 3.4.0 contains a Directory Traversal vulnerability in the theme component, allowing unauthenticated attackers to read and execute arbitrary files outside of the service root path, as demonstrated by a /theme/default/img/%2e%2e/..//etc/passwd URI.
- Record
CVE-2018-16836- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
Rubedo through 3.4.0 contains a Directory Traversal vulnerability in the theme component, allowing unauthenticated attackers to read and execute arbitrary files outside of the service root path, as demonstrated by a /theme/default/img/%2e%2e/..//etc/passwd URI.
- Record
CVE-2018-16836- Updated
- 2026-11-02
EUVDEUVD-2018-8633 No score
Rubedo through 3.4.0 contains a Directory Traversal vulnerability in the theme component, allowing unauthenticated attackers to read and execute arbitrary files outside of the service root path, as demonstrated by a /theme/default/img/%2e%2e/..//etc/passwd URI.
- Record
EUVD-2018-8633- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g38x-pgq9-cf49
Rubedo through 3.4.0 contains a Directory Traversal vulnerability in the theme component,...
Rubedo through 3.4.0 contains a Directory Traversal vulnerability in the theme component, allowing unauthenticated attackers to read and execute arbitrary files outside of the service root path, as demonstrated by a /theme/default/img/%2e%2e/..//etc/passwd URI.
- Record
GHSA-g38x-pgq9-cf49- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
OSV
Rubedo through 3.4.0 contains a Directory Traversal vulnerability in the theme component, allowing unauthenticated attackers to read and execute arbitrary files outside of the service root path, as demonstrated by a /theme/default/img/%2e%2e/..//etc/passwd URI.
- Record
CVE-2018-16836- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Rubedo CMS 3.4.0 - Directory Traversal | 2018-09-12 |
| Nuclei | Rubedo CMS <=3.4.0 - Directory Traversal |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Nuclei, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-16836 is a critical vulnerability (CVSS 9.8) in Rubedo Project Rubedo, published September 11, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 61.4%, the 99th percentile. No source names a fixed version.