What is CVE-2020-26165?

CVE-2020-26165 is a high-severity vulnerability in Qdpm, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2020-12-31.

How severe is CVE-2020-26165?

High severity. CVSS v3 base score is 8.8 out of 10.

Deserialization in Qdpm

CVE-2020-26165

qdPM through 9.1 allows PHP Object Injection via timeReportActions::executeExport in core/apps/qdPM/modules/timeReport/actions/actions.class.php because unserialize is used.

Vulnerability class: Insecure Deserialization

Published 2020-12-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.025 (84.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: +0.000

Affected products

Qdpm

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

qdpm.net/qdpm-release-notes-free-project-management (Vendor Advisory)
packetstormsecurity.com/files/160733/qdPM-9.1-PHP-Object-Injection.html (Exploit, VDB Entry, Third Party Advisory)
seclists.org/fulldisclosure/2021/Jan/10 (mailing-list, Exploit, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2020-26165?: CVE-2020-26165 is a high-severity vulnerability in Qdpm, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2020-12-31.
How severe is CVE-2020-26165?: High severity. CVSS v3 base score is 8.8 out of 10.