CVE-2016-3954: Infoleak

Published Feb 6, 2018
·
Updated

Last updated 25 August 2025

Other sources

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

Affected Software

3 affected componentsFixes available
pip/web2py<2.14.2
2.14.2
debian/web2py
Web2py Web2py<2.14.2

Event History

Feb 6, 2018
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
Description
Data Sourced
via NVD·06:29 PM
DescriptionSeverityWeaknessAffected Software
May 14, 2022
Advisory Published
12:57 AM
Jan 11, 2024
Data Sourced
via Launchpad·10:17 PM
Description
Feb 19, 2026
Data Sourced
via Ubuntu·03:57 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is CVE-2016-3954?

CVE-2016-3954 refers to a vulnerability in web2py before 2.14.2 that allows remote attackers to obtain the session_cookie_key value via a direct request to examples/simple_examples/status.

2

What is the severity of CVE-2016-3954?

CVE-2016-3954 has a severity value of 5.5 out of 10, making it a medium severity vulnerability.

3

How can CVE-2016-3954 be exploited?

CVE-2016-3954 can be leveraged by remote attackers to obtain the session_cookie_key value and potentially execute arbitrary code using CVE-2016-3957.

4

What is the affected software for CVE-2016-3954?

The affected software for CVE-2016-3954 includes web2py versions before 2.14.2.

5

Are there any remedies or fixes for CVE-2016-3954?

Yes, the recommended remedy for CVE-2016-3954 is to update web2py to version 2.14.2 or apply the provided patches from the relevant sources.

Contact

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