CVE-2020-14942 Deserialization of Untrusted Data in Tendenci
Attackers can execute arbitrary code via unrestricted deserialization in the Tendenci helpdesk staff view.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-14942?
CVE-2020-14942 is a critical unsafe deserialization vulnerability in n/a, published on 21 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Tendenci 12.0.10 allows unrestricted deserialization in apps\helpdesk\views\staff.py.
Weakness: CWE-502
Which versions are affected by CVE-2020-14942?
3 open source packages ship an affected version, including tendenci. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
tendenci PyPI | All versions | 12.0.11 |
tendenci PyPI | All versions | 12.0.11 |
tendenci PyPI | All versions | 12.0.11 |
Products include Tendenci Tendenci.
How do I fix CVE-2020-14942?
Upgrade tendenci to 12.0.11 or later.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2020-14942 being exploited?
There is no known exploitation of CVE-2020-14942 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2026-23946 Tendenci has Authenticated Remote Code Execution via Pickle Deserialization
- CVE-2025-70959 Tendenci CMS Contains a Cross-site Scripting Vulnerability in its Jobs Module
- CVE-2025-70960 Tendenci CMS contains a stored Cross-site Scripting (XSS) vulnerability in the Forums module
- CVE-2020-36962 Tendenci 12.3.1 - CSV/ Formula Injection
Sources
Also known as GHSA-jqmc-fxxp-r589, PYSEC-2020-112.