CVE-2018-16367
In OnlineJudge 2.0, the sandbox has an incorrect access control vulnerability that can write a...
In OnlineJudge 2.0, the sandbox has an incorrect access control vulnerability that can write a file anywhere. A user can write a directory listing to /tmp, and can leak file data with a #include.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In OnlineJudge 2.0, the sandbox has an incorrect access control vulnerability that can write a file anywhere. A user can write a directory listing to /tmp, and can leak file data with a #include.
- Record
CVE-2018-16367- CVSS 3.0
- 9.9 Critical
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - CVSS 2.0
- 9.0 High
AV:N/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
In OnlineJudge 2.0, the sandbox has an incorrect access control vulnerability that can write a file anywhere. A user can write a directory listing to /tmp, and can leak file data with a #include.
- Record
CVE-2018-16367- Updated
- 2026-11-02
EUVDEUVD-2018-8213 No score
In OnlineJudge 2.0, the sandbox has an incorrect access control vulnerability that can write a file anywhere. A user can write a directory listing to /tmp, and can leak file data with a #include.
- Record
EUVD-2018-8213- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mjjv-394r-rc2r
In OnlineJudge 2.0, the sandbox has an incorrect access control vulnerability that can write a...
In OnlineJudge 2.0, the sandbox has an incorrect access control vulnerability that can write a file anywhere. A user can write a directory listing to /tmp, and can leak file data with a #include.
- Record
GHSA-mjjv-394r-rc2r- CVSS 3.0
- 9.9 Critical
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
OSV
In OnlineJudge 2.0, the sandbox has an incorrect access control vulnerability that can write a file anywhere. A user can write a directory listing to /tmp, and can leak file data with a #include.
- Record
CVE-2018-16367- CVSS 3.0
- 9.9 Critical
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H - 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-2018-16367 is a critical vulnerability (CVSS 9.9) in Qduoj Onlinejudge, published September 2, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.17%, the 82nd percentile. No source names a fixed version.