VulnerabilityModified
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 hardcoded encryption key when calling the session.connect function.
CRITICAL 9.8EPSS 3.34%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.34% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-798
- Affected
- web2py/web2py
- Source
- cve@mitre.org
References
- https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/Exploit, Technical Description, Third Party Advisory
- https://github.com/web2py/web2py/blob/R-2.14.1/applications/examples/models/session.pyThird Party Advisory
- https://usn.ubuntu.com/4030-1/
- https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/Exploit, Technical Description, Third Party Advisory
- https://github.com/web2py/web2py/blob/R-2.14.1/applications/examples/models/session.pyThird Party Advisory
- https://usn.ubuntu.com/4030-1/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.