CVE-2016-3953

Web2py vulnerability

CVSS

9.8

EPSS

3.3%

EPSS pct

87th

Exploited

No known

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.

Affected vendor

Web2py

Affected product

Web2py

CVSS vector

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

Weakness type (CWE)

CWE-798 — Use of Hard-coded Credentials

Published

2018-02-06

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2016-3953

Confirm whether Web2py Web2py is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2016-3953.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-3953

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-3953 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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