CVE-2018-12939

Name: CVE-2018-12939
Creator: NVD / NIST
Published: 2018-07-31T14:29:00.433+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.97%

Last modified Jun 17, 2026

CVE-2018-12939 is a vulnerability of currently unknown severity. A directory traversal flaw in SeedDMS (formerly LetoDMS and MyDMS) before 5.1.8 allows an authenticated attacker to write to (or potentially delete) arbitrary files via a .. (dot dot) in the "op/op.UploadChunks.php" "qquuid" parameter. EPSS estimates a 1.97% chance of exploitation in the next 30 days.

Description

A directory traversal flaw in SeedDMS (formerly LetoDMS and MyDMS) before 5.1.8 allows an authenticated attacker to write to (or potentially delete) arbitrary files via a .. (dot dot) in the "op/op.UploadChunks.php" "qquuid" parameter. NOTE: this can be leveraged to execute arbitrary code by using CVE-2018-12940.

Metrics

EPSS Probability

1.97%

77.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Seeddms	Seeddms	< 5.1.8

References

https://sourceforge.net/p/seeddms/code/ci/seeddms-5.1.x/tree/CHANGELOGPatch, Release Notes, Third Party Advisory
https://www.contextis.com/resources/advisories/cve-2018-12939Patch, Third Party Advisory
https://sourceforge.net/p/seeddms/code/ci/seeddms-5.1.x/tree/CHANGELOGPatch, Release Notes, Third Party Advisory
https://www.contextis.com/resources/advisories/cve-2018-12939Patch, Third Party Advisory

Timeline

Published: Jul 31, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-12939?

How severe is CVE-2018-12939?

Severity scoring for CVE-2018-12939 is pending analysis. The EPSS model estimates a 1.97% probability of exploitation in the next 30 days.

How do I fix CVE-2018-12939?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-12939?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST