TI-2016-03360 Aliases CVE-2016-3954 GHSA-jr83-vr4j-mp6p

web2py before 2.14.2 allows remote attackers to obtain the session_cookie_key value via a…

LOW 28CWE-200Published 2018-02-06 · Updated 2024-08-06

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-200.

Summary

web2py before 2.14.2 allows remote attackers to obtain the session_cookie_key value via a direct request to examples/simple_examples/status. NOTE: this issue can be leveraged by remote attackers to execute arbitrary code using CVE-2016-3957.

Why it matters now

EPSS 0.01396 72nd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed web2py (PyPI): 2.14.2

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA
—	web2py (PyPI)	before 2.14.2	2.14.2	Patch available	GHSA-jr83-vr4j-mp6p

— Vendor— Affected all versions Fixed in — No fix listed CNA
web2py (PyPI) Vendor— Affected before 2.14.2 Fixed in 2.14.2 Patch available GHSA-jr83-vr4j-mp6p

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:web2py:web2py::::::::	before 2.14.2	Vulnerable	web2py

cpe:2.3:a:web2py:web2py:*:*:*:*:*:*:*:* Versions before 2.14.2 Vulnerable ·web2py

Remediation

Fix · GHSA-jr83-vr4j-mp6p web2py (PyPI) Fixed in 2.14.2 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2016-3954
2026-10-03 Alias added: GHSA-jr83-vr4j-mp6p

References

Exploit 1

https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/

Advisory 2

Other 4

TI-2023-24174 OS command injection in web2py CVSS 3.1CRITICAL 9.8
TI-2016-03363 The secure_load function in gluon/utils.py in web2py before 2.14.2 uses pickle.loads to… CVSS 3.0CRITICAL 9.8
TI-2016-03359 The sample web application in web2py before 2.14.2 might allow remote attackers to… CVSS 3.0CRITICAL 9.8
TI-2016-08383 web2py before 2.14.6 does not properly check if a host is denied before verifying… CVSS 3.0CRITICAL 9.8
TI-2016-04151 Web2py versions 2.14.5 and below was affected by Local File Inclusion vulnerability… CVSS 3.0HIGH 7.5
TI-2016-04153 Web2py versions 2.14.5 and below was affected by CSRF (Cross Site Request Forgery)… CVSS 3.0HIGH 8.8

See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences