What is CVE-2020-14942?

CVE-2020-14942 is a critical-severity vulnerability in Tendenci, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2020-06-21.

How severe is CVE-2020-14942?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Tendenci

CVE-2020-14942

Tendenci 12.0.10 allows unrestricted deserialization in apps\helpdesk\views\staff.py.

Vulnerability class: Insecure Deserialization

Published 2020-06-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (70.5th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Tendenci — versions 12.0.10

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

github.com/tendenci/tendenci/issues/867 (Third Party Advisory)

Frequently asked questions

What is CVE-2020-14942?: CVE-2020-14942 is a critical-severity vulnerability in Tendenci, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2020-06-21.
How severe is CVE-2020-14942?: Critical severity. CVSS v3 base score is 9.8 out of 10.