REST client for Ruby (aka rest-client) before 1.8.0 allows remote attackers to conduct…
Priority MEDIUM 49CWE-384Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 3 fixed, 7 without a fix
Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-384.
Summary
REST client for Ruby (aka rest-client) before 1.8.0 allows remote attackers to conduct session fixation attacks or obtain sensitive cookie information by leveraging passage of cookies set in a response to a redirect.
Why it matters now
EPSS 0.04345 91st percentileScored 2026-11-07
Fix Partial rest-client (RubyGems): 1.8.0Red Hat: 1 advisoryRed Hat: 3 fixed, 7 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | rest-client (RubyGems) | 1.6.1.a to before 1.8.0 | 1.8.0 | Patch available | GHSA-3fhf-6939-qg8p |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- rest-client (RubyGems) Vendor— Affected 1.6.1.a to before 1.8.0 Fixed in 1.8.0 Patch available GHSA-3fhf-6939-qg8p
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:rest-client_project:rest-client:*:*:*:*:*:ruby:*:* | up to 1.7.3 | Vulnerable | Rest-client Project |
- cpe:2.3:a:rest-client_project:rest-client:*:*:*:*:*:ruby:*:* Versions up to 1.7.3 Vulnerable ·Rest-client Project
Remediation
- Fix · GHSA-3fhf-6939-qg8p rest-client (RubyGems) Fixed in 1.8.0 Advisory →
Red Hat 1 advisory
- RHSA-2021:1313 Released 2021-04-21 · Red Hat rating ModerateSatellite 6.9 Release
- Red Hat Satellite 6.9 ansible-collection-redhat-satellite-2.0.1-1.el7sat, ansible-runner-1.4.6-1.el7ar, ansiblerole-foreman_scap_client-0.1.0-1.el7sat +47
- Red Hat Satellite Capsule 6.9 ansible-collection-redhat-satellite-2.0.1-1.el7sat, ansible-runner-1.4.6-1.el7ar, ansiblerole-foreman_scap_client-0.1.0-1.el7sat +47
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| OpenStack Foreman | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 6 (Juno) Installer | Affected | No fix planned: Will not fix |
| Red Hat Enterprise MRG 2 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift Enterprise 2 | Affected | No fix planned: Will not fix |
| Red Hat OpenStack Platform 4 | Affected | No fix planned: Will not fix |
| Red Hat Satellite 6 | Affected | No fix planned: Will not fix |
| Red Hat Subscription Asset Manager | Affected | No fix planned: Will not fix |
| CloudForms Management Engine 5.4 | Fixed | — |
| Red Hat Satellite 6.9 | Fixed | RHSA-2021:1313 |
| Red Hat Satellite Capsule 6.9 | Fixed | RHSA-2021:1313 |
Timeline
- 2026-10-02 Threatist record created from CVE-2015-1820
- 2026-10-03 Alias added: GHSA-3fhf-6939-qg8p
References
Advisory 2
More Rest-client Project Rest-client vulnerabilities
- TI-2019-11341 The rest-client gem 1.6.10 through 1.6.13 for Ruby, as distributed on RubyGems.org… CVSS 3.0CRITICAL 9.8
- TI-2015-03041 REST client for Ruby (aka rest-client) before 1.7.3 logs usernames and passwords, which… CVSS 2.0LOW 2.1
Sources
- CVE-2015-1820 · CVE Program
- CVE-2015-1820 · NVD
- FIRST EPSS
- GHSA-3fhf-6939-qg8p · GitHub Advisory Database · CC BY 4.0
- CVE-2015-1820 · Red Hat security data · CC BY 4.0
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