CVE-2020-14942

Deserialization of Untrusted Data in Tendenci

9.8 CriticalFix available

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

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.35%Up 0.9 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

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

Record: CVE-2020-14942
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-502
Updated: 2026-11-02

CVE List No score

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

Record: CVE-2020-14942
Updated: 2026-11-02

EUVDEUVD-2020-0184 No score

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

Record: EUVD-2020-0184
Updated: 2026-11-03

GitHub AdvisoriesGHSA-jqmc-fxxp-r589 9.3

Deserialization of Untrusted Data in Tendenci

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

Record: GHSA-jqmc-fxxp-r589
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

OSV 9.8

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

Record: CVE-2020-14942
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVGHSA-jqmc-fxxp-r589 9.3

Deserialization of Untrusted Data in Tendenci

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

Record: GHSA-jqmc-fxxp-r589
CVSS 4.0: 9.3 CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

OSVPYSEC-2020-112 No score

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

Record: PYSEC-2020-112
Updated: 2026-11-02

Affected products

tendenci

Affected packages

Affected packages
Package	Affected	Fixed
`tendenci` PyPI	through 12.0.10	12.0.11
`tendenci` PyPI	before 12.0.11, plus listed versions 11.011.0.111.0.211.0.311.0.4 Show 45 moreShow less 11.0.511.0.611.0.711.0.811.111.1.111.1.211.211.2.111.2.1011.2.1111.2.1211.2.211.2.311.2.411.2.511.2.611.2.711.2.811.2.911.311.3.111.411.4.111.4.1011.4.211.4.311.4.411.4.511.4.611.4.711.4.811.4.912.012.0.112.0.1012.0.212.0.312.0.412.0.512.0.612.0.712.0.812.0.95.1.0	12.0.11
`tendenci` PyPI	before 12.0.11, plus listed versions 5.1.05.1.15.1.25.1.35.1.4 Show 45 moreShow less 5.1.55.1.65.1.75.1.85.1.95.1.105.1.115.1.125.1.145.1.155.1.165.1.185.1.195.1.215.1.225.1.235.1.245.1.255.1.265.1.275.1.285.1.295.1.305.1.315.1.325.1.335.1.345.1.355.1.365.1.375.1.385.1.395.1.405.1.415.1.425.1.435.1.455.1.465.1.475.1.485.1.495.1.505.1.515.1.525.1.53	12.0.11

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-14942 is a critical vulnerability (CVSS 9.8) in Tendenci, published June 21, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.35%, the 71st percentile. Fixed in tendenci 12.0.11.

References

This page doesn't list everything

Left out here: 1,242 versions. The JSON record has them.