CVE-2015-3649
open-uri-cached Gem for Ruby Unsafe Temporary File Creation Enables Code Execution
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2015-3649- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2015-3649- Updated
- 2026-11-02
EUVDEUVD-2022-3027 No score
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.
- Record
EUVD-2022-3027- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7m2w-9gw7-c3xp
open-uri-cached Gem for Ruby Unsafe Temporary File Creation Enables Code Execution
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 metafile is created.
- Record
GHSA-7m2w-9gw7-c3xp- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
OSVGHSA-7m2w-9gw7-c3xp
open-uri-cached Gem for Ruby Unsafe Temporary File Creation Enables Code Execution
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 metafile is created.
- Record
GHSA-7m2w-9gw7-c3xp- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
open-uri-cachedRubyGems |
through 1.0.0 | None known |
open-uri-cachedRubyGems |
through 1.0.0, plus listed versions 0.0.10.0.30.0.40.0.5 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-3649 is a high vulnerability (CVSS 7.8) in Open-uri-cached Project Open-uri-cached, published August 18, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 33rd percentile. No source names a fixed version.