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CVE-2016-3953
The sample web application in web2py before 2.14.2 might allow remote attackers to execute arbitrary code via vectors involving use of a…
Critical9.8EPSS 3.3%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The sample web application in web2py before 2.14.2 might allow remote attackers to execute arbitrary code via vectors involving use of a hardcoded encryption key when calling the session.connect function.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.3% · top 11% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPIweb2pyGHSA-q2rq-qgcf-m22w (opens in a new tab)
References (3)
- https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/ (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/web2py/web2py/blob/R-2.14.1/applications/examples/models/session.py (opens in a new tab)x_refsource_MISCx_transferred
- USN-4030-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-q2rq-qgcf-m22w (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .