CVE-2019-14282 — Code backdoor in simple_captcha2 — CVE Details
CRITICAL
Code backdoor in simple_captcha2
Published July 31, 2019Updated March 13, 2026Source: osv
Summary
The simple_captcha2 gem 0.2.3 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party.
Advisory Timeline
- First published July 31, 2019 (2630 days ago).
- Last revised March 13, 2026 — 2418 days after initial publication.
Affected Packages (1)
Affects 1 ecosystem: rubygems (1).
| Package | Ecosystem | Affected | Fixed In |
|---|---|---|---|
| simple_captcha2 | rubygems | 0.2.3 | No fix available |
Vulnerability Classification
Common Weakness Enumeration (CWE) identifiers for this vulnerability type.
- CWE-94Code InjectionMITRE
CVSS Score Breakdown
What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-14282ADVISORY
- https://github.com/rubygems/rubygems.org/issues/2073WEB
- https://github.com/pludoni/simple-captchaPACKAGE
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/simple_captcha2/CVE-2019-14282.ymlWEB
- https://rubygems.org/gems/simple_captcha2/versionsWEB
- https://security.snyk.io/vuln/SNYK-RUBY-SIMPLECAPTCHA2-455501WEB
Frequently Asked Questions
- What is CVE-2019-14282?
- Code backdoor in simple_captcha2 This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
- How do I check if my project is affected by CVE-2019-14282?
- CVE-2019-14282 affects simple_captcha2. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2019-14282 and 200,000+ other known vulnerabilities.
Severity & Exploitability
CVSS Score
9.8
Exploitation is straightforward and causes maximum impact. Patch immediately.
Also Known As
GHSA-wg6j-r28m-7293
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