CVE-2016-3953
9.8
CRITICAL · CVSS 3.0 · EPSS 3.3% (pctl 88)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.34% — more likely to be exploited than 88% of all CVEs |
| Weakness | CWE-798 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2018-02-06 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| web2py | web2py |
References
- https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/
- https://github.com/web2py/web2py/blob/R-2.14.1/applications/examples/models/session.py
- https://usn.ubuntu.com/4030-1/
- https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/
- https://github.com/web2py/web2py/blob/R-2.14.1/applications/examples/models/session.py
- https://usn.ubuntu.com/4030-1/
→ the Explorer · watch your stack · NVD