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TI-2023-00635 Aliases CVE-2023-0670GHSA-vg83-7v95-762v

Unrestricted file upload in Ulearn

Priority HIGH 67CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-434.

Summary

Ulearn version a5a7ca20de859051ea0470542844980a66dfc05d allows an attacker with administrator permissions to obtain remote code execution on the server through the image upload functionality. This occurs because the application does not validate that the uploaded image is actually an image.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01018 63rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Ulearna5a7ca20de859051ea0470542844980a66dfc05d—No fix listedCNA
  • Ulearn Vendor— Affected a5a7ca20de859051ea0470542844980a66dfc05d Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ulearn_project:ulearn:-:*:*:*:*:*:*:*not specified by NVDVulnerableUlearn Project
  • cpe:2.3:a:ulearn_project:ulearn:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Ulearn Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-0670
  2. 2026-10-03 Alias added: GHSA-vg83-7v95-762v

References

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences