web2py before 2.14.1, when using the standalone version, allows remote attackers to obtain environment variable values via a direct request to examples/template_examples/beautify. NOTE: this issue can be leveraged by remote attackers to gain administrative access.
CVE-2016-3952
Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 7.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.8
- EG Score
- 7.8(medium)
- EPSS
- 60.9%
- KEV
- Not listed
Published
February 6, 2018
Last Modified
November 21, 2024
References (6)
- cve@mitrehttps://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/
- cve@mitrehttps://github.com/web2py/web2py/commit/9706d125b42481178d2b423de245f5d2faadbf40
- cve@mitrehttps://usn.ubuntu.com/4030-1/
- af854a3a-2127-422b-91ae-364da2661108https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/
- af854a3a-2127-422b-91ae-364da2661108https://github.com/web2py/web2py/commit/9706d125b42481178d2b423de245f5d2faadbf40
- af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4030-1/
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | python-web2py (2.12.3-1ubuntu0.1) @ xenial | 2026-05-28 | ubuntu |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 12× in last 7d / 43× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Frequently asked(5)
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