Arbitrary file upload in Seeddms

CVE-2018-12940

Unrestricted file upload vulnerability in "op/op.UploadChunks.php" in SeedDMS (formerly LetoDMS and MyDMS) before 5.1.8 allows remote attackers to execute arbitrary code by uploading a file with an executable extension specified by the "qqfile" parameter. This allows an authenticated attacker to upload a malicious file containing PHP code to execute operating system commands to the web root of the application.

Vulnerability class: Unrestricted File Upload

EPSS: 0.025 (83.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-12940?
CVE-2018-12940 is a high-severity vulnerability in Seeddms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2018-07-31.
How severe is CVE-2018-12940?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2018-12940 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.