5.5med
CVE-2016-3954
web2py exposure of sensitive information
Also known as GHSA-jr83-vr4j-mp6p, PYSEC-2026-1062
Published 8 y ago · modified 4 mo ago · JSON
CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.4%
percentile 73%
Public exploits
0
none known
Summary
web2py before 2.14.2 allows remote attackers to obtain the session_cookie_key value via a direct request to examples/simple_examples/status. NOTE: this issue can be leveraged by remote attackers to execute arbitrary code using CVE-2016-3957.
Exploit prediction (EPSS)
1.40% probability of exploitation in the next 30 days, higher than 73% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
| GitHub | 3.0 | 5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| OSV | 3.0 | 5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pypi | web2py | <2.14.2 | 2.14.2 |
Classification
- Weakness
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
- devco.re /blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/ · x_refsource_MISC, x_transferred
- usn.ubuntu.com /4030-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
- nvd.nist.gov /vuln/detail/CVE-2016-3954 · advisory
- github.com /web2py/web2py/commit/0820926b500a321060ef6a76ce89fd35a252f8b0 · web
- devco.re /blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957 · web
- github.com /web2py/web2py · package
- usn.ubuntu.com /4030-1 · web
- pypi.org /project/web2py · package
- github.com /advisories/GHSA-jr83-vr4j-mp6p · advisory
Sources
- CVE List: CVE-2016-3954
- GitHub Advisory: GHSA-jr83-vr4j-mp6p
- NVD: CVE-2016-3954
- OSV: PYSEC-2026-1062
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.