MEDIUM
web2py before 2.14.2 allows remote attackers to obtain the session_cookie_key value via a direct request to examples/simple_examples/status
Published Feb 6, 2018
5.5
MEDIUMCVSS 3.0
EPSS 1.40%
Description
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
5.5 MEDIUM NVD
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
2.1 LOW NVD
AV:L/AC:L/Au:N/C:P/I:N/A:N
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.40% 0.01396
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.01396
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.40% (0.01396) | 71.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.41% (0.01411) | 69.09th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.09% (0.00088) | 22.61th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.16% (0.01162) | 65.69th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.09% (0.00088) | 23.13th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.46% (0.00456) | 76.09th | v3 (v2023.03.01) |
| Jun 23, 2024 | 0.41% (0.00410) | 73.99th | v3 (v2023.03.01) |
| May 12, 2024 | 0.35% (0.00352) | 71.75th | v3 (v2023.03.01) |
| Feb 22, 2024 | 0.34% (0.00338) | 70.64th | v3 (v2023.03.01) |
| Jan 17, 2024 | 0.25% (0.00248) | 62.77th | v3 (v2023.03.01) |
| Dec 17, 2023 | 0.21% (0.00210) | 58.84th | v3 (v2023.03.01) |
| Sep 2, 2023 | 0.12% (0.00123) | 45.92th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00117) | 43.95th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.07% (0.02067) | 79.88th | v2 (v2022.01.01) |
| Nov 3, 2022 | 2.07% (0.02067) | 79.33th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.89% (0.01888) | 75.36th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.89% (0.01888) | 54.52th | v2 (v2022.01.01) |
Weaknesses (1)
References (5)
- https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/ x_refsource_MISCExploitTechnical DescriptionThird Party Advisory
- https://github.com/advisories/GHSA-jr83-vr4j-mp6p Advisory
- https://github.com/web2py/web2py/commit/0820926b500a321060ef6a76ce89fd35a252f8b0
- https://nvd.nist.gov/vuln/detail/CVE-2016-3954
- https://usn.ubuntu.com/4030-1/ vendor-advisoryx_refsource_UBUNTU
| Link | Providers | Tags |
|---|---|---|
| https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/ | x_refsource_MISCExploitTechnical DescriptionThird Party Advisory | |
| https://github.com/advisories/GHSA-jr83-vr4j-mp6p | Advisory | |
| https://github.com/web2py/web2py/commit/0820926b500a321060ef6a76ce89fd35a252f8b0 | ||
| https://nvd.nist.gov/vuln/detail/CVE-2016-3954 | ||
| https://usn.ubuntu.com/4030-1/ | vendor-advisoryx_refsource_UBUNTU |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 6, 2018
Updated Aug 6, 2024
Reserved Apr 5, 2016
Link CVE-2016-3954
CISA Vulnrichment
GHSA-JR83-VR4J-MP6P Updated n/a