The private_address_check ruby gem before 0.4.1 is vulnerable to a bypass due to an incomplete blacklist of common private/local network addresses used to prevent server-side request forgery
Published Nov 16, 2017
9.8
CRITICALCVSS 3.0
EPSS 2.03%
Description
The private_address_check ruby gem before 0.4.1 is vulnerable to a bypass due to an incomplete blacklist of common private/local network addresses used to prevent server-side request forgery.
Affected products
-
- Version Versions before 0.4.1StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| HackerOne | Private Address Check Ruby Gem | n/a |
|
- < 0.4.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.03% (0.02032) | 80.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.03% (0.02032) | 78.47th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.24% (0.00245) | 64.95th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.24% (0.00245) | 63.56th | v3 (v2023.03.01) |
| Apr 9, 2023 | 0.24% (0.00243) | 60.64th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.23% (0.00234) | 59.68th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v1 |
| Jan 6, 2022 | 0.62% (0.00624) | 17.24th | v1 |
| Sep 1, 2021 | 0.62% (0.00624) | 45.04th | v1 |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (4)
- https://github.com/advisories/GHSA-3v3c-r5v2-68ph Advisory
- https://github.com/jtdowney/private_address_check/pull/3 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://hackerone.com/reports/288950 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-0909
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-3v3c-r5v2-68ph | Advisory | |
| https://github.com/jtdowney/private_address_check/pull/3 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://hackerone.com/reports/288950 | x_refsource_MISCIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-0909 |
Change history (0)
No recorded changes yet.