CVE-2020-13383
openSIS through 7.4 allows Directory Traversal.
7.5 HighPublic exploit
openSIS through 7.4 allows Directory Traversal.
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
67.8%Up 62.0 points since Apr 14, 2021
What each source reports
NVD Score used
openSIS through 7.4 allows Directory Traversal.
- Record
CVE-2020-13383- 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
openSIS through 7.4 allows Directory Traversal.
- Record
CVE-2020-13383- Updated
- 2026-11-02
EUVDEUVD-2020-5641 No score
openSIS through 7.4 allows Directory Traversal.
- Record
EUVD-2020-5641- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mq6w-jp25-qxf7
openSIS through 7.4 allows Directory Traversal.
openSIS through 7.4 allows Directory Traversal.
- Record
GHSA-mq6w-jp25-qxf7- 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
openSIS through 7.4 allows Directory Traversal.
- Record
CVE-2020-13383- 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
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | openSIS Unauthenticated PHP Code Execution | 2020-06-30 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Metasploit, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-13383 is a high vulnerability (CVSS 7.5) in Os4ed Opensis, published July 1, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 67.8%, the 99th percentile. No source names a fixed version.
References
github.com/OS4ED/openSIS-Responsive-Design/commit/1127ae0bb7c3a2883febeabc6b71ad8d73510de8
packetstormsecurity.com/files/158256/openSIS-7.4-Local-File-Inclusion.html
nvd.nist.gov/vuln/detail/CVE-2020-13383