CVE-2023-33386
MarsCTF 1.2.1 has an arbitrary file upload vulnerability in the interface for uploading...
MarsCTF 1.2.1 has an arbitrary file upload vulnerability in the interface for uploading attachments in the background.
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
9.8
MarsCTF 1.2.1 has an arbitrary file upload vulnerability in the interface for uploading attachments in the background.
- Record
CVE-2023-33386- 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-434
- Updated
- 2026-11-02
CVE List
9.8
MarsCTF 1.2.1 has an arbitrary file upload vulnerability in the interface for uploading attachments in the background.
- Record
CVE-2023-33386- 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-434
- Updated
- 2026-11-02
EUVDEUVD-2023-37549
9.8
MarsCTF 1.2.1 has an arbitrary file upload vulnerability in the interface for uploading attachments in the background.
- Record
EUVD-2023-37549- 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
- 2026-11-03
GitHub AdvisoriesGHSA-mwjp-rq22-3xm5
9.8
MarsCTF 1.2.1 has an arbitrary file upload vulnerability in the interface for uploading...
MarsCTF 1.2.1 has an arbitrary file upload vulnerability in the interface for uploading attachments in the background.
- Record
GHSA-mwjp-rq22-3xm5- 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-434
- Updated
- 2026-11-02
OSV
9.8
MarsCTF 1.2.1 has an arbitrary file upload vulnerability in the interface for uploading attachments in the background.
- Record
CVE-2023-33386- 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
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-2023-33386 is a critical vulnerability (CVSS 9.8) in Marsctf Project Marsctf, published June 5, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.01%, the 63rd percentile. No source names a fixed version.
References
github.com/b1ackc4t/MarsCTF/blob/V1.2.1/src/main/java/com/b1ackc4t/marsctfserver/service/impl/CTFFileServiceImpl.java
github.com/b1ackc4t/MarsCTF/issues/10
nvd.nist.gov/vuln/detail/CVE-2023-33386
github.com/advisories/GHSA-mwjp-rq22-3xm5
github.com/CVEProject/cvelistV5/tree/main/cves/2023/33xxx/CVE-2023-33386.json