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CVE-2016-3952

23
FAUCET Score

CVE-2016-3952 describes a vulnerability in web2py versions prior to 2.14.1, specifically in its standalone deployment. This flaw allows remote attackers to access sensitive environment variables by directly requesting the examples/template_examples/beautify endpoint, potentially leading to administrative access. With a CVSS v3 score of 7.8 (HIGH), this vulnerability has a low attack complexity and requires local privileges, but can result in high confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.14.1CPE matchmatch criteria
cpe:2.3:a:web2py:web2py:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.06%
Probability of exploitation in next 30 days
EPSS Percentile
61.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0106 is in the 93rd percentile among its peer group of 16,985 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

devco.re / blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957
ExploitTechnical DescriptionThird Party Advisory
github.com / web2py/web2py/commit/9706d125b42481178d2b423de245f5d2faadbf40
Third Party Advisory
usn.ubuntu.com / 4030-1