VulnerabilityModified
CVE-2016-3952
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.
HIGH 7.8EPSS 1.06%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.06% probability · 63th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-255
- 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/commit/9706d125b42481178d2b423de245f5d2faadbf40Third 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/commit/9706d125b42481178d2b423de245f5d2faadbf40Third Party Advisory
- https://usn.ubuntu.com/4030-1/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.