CVE-2019-15224

The rest-client gem 1.6.10 through 1.6.13 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. Versions <=1.6.9 and >=1.6.14 are unaffected.

Published: 2019-08-19 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-15224 is rated High Risk (71.3/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 3.55%). EPSS rose +1.39% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2019-15224

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 2.16% 3.55% +1.39%
2 2025-11-21 5.27% 2.16% -3.11%
3 2025-11-18 — 5.27% —

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-15224

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2019-15224

GitHub Security Advisory for CVE-2019-15224

GHSA-333g-rpr4-7hxq · Severity: critical · Ecosystem: rubygems — rest-client Gem Contains Malicious Code

OS Trackers for CVE-2019-15224

vendor priority summary link
debian unimportant CVE-2019-15224 unimportant priority: Debian including 1 source packages (ruby-rest-client), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2019-15224
redhat high — https://access.redhat.com/security/cve/CVE-2019-15224
suse high CVE-2019-15224 severity important: SUSE including 2 source package names (ruby2.1-rubygem-rest-client, rubygem-rest-client), 10 product×package rows across 5 product lines (SUSE Enterprise Storage 4, SUSE OpenStack Cloud 6-LTSS, … (5 product lines)): Known Not Affected 10. https://www.suse.com/security/cve/CVE-2019-15224/
ubuntu negligible CVE-2019-15224 negligible priority: Ubuntu including 1 source packages (ruby-rest-client), 5 status rows across 5 suites (bionic, disco, trusty, upstream, xenial): not-affected 3, DNE 1, needs-triage 1. https://ubuntu.com/security/CVE-2019-15224

Affected software / configurations for CVE-2019-15224

Vendor Product Version Raw CPE
rest-client_project rest-client >= 1.6.10, <= 1.6.13 cpe:2.3:a:rest-client_project:rest-client:*:*:*:*:*:ruby:*:*

References for CVE-2019-15224

cvelogic Threat Intelligence