The open-uri-cached rubygem allows local users to execute arbitrary Ruby code by creating a directory under /tmp containing "openuri-" followed by a crafted UID, and putting Ruby code in said directory once a meta file is created
Published Aug 18, 2017
7.8
HIGHCVSS 3.1
EPSS 0.39%
Description
The open-uri-cached rubygem allows local users to execute arbitrary Ruby code by creating a directory under /tmp containing "openuri-" followed by a crafted UID, and putting Ruby code in said directory once a meta file is created.
Affected products
No data.
- 0.0.5
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:L/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 3, 2026.
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.39% (0.00388) | 30.57th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.39% (0.00388) | 30.39th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00062) | 16.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
References (13)
- http://seclists.org/oss-sec/2015/q2/373
- http://www.benjaminfleischer.com/2013/03/20/yaml-and-security-in-ruby/ x_refsource_MISCThird Party Advisory
- http://www.openwall.com/lists/oss-security/2015/05/06/2 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/74469 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://github.com/advisories/GHSA-7m2w-9gw7-c3xp Advisory
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/open-uri-cached/CVE-2015-3649.yml
- https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb
- https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L115 x_refsource_MISCThird Party Advisory
- https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L25 x_refsource_MISCThird Party Advisory
- https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L39 x_refsource_MISCThird Party Advisory
- https://github.com/tigris/open-uri-cached/issues/8
- https://nvd.nist.gov/vuln/detail/CVE-2015-3649
- https://web.archive.org/web/20210119122105/http://www.securityfocus.com/bid/74469
Change history (0)
No recorded changes yet.