CVE-2019-13589

CVE-2019-13589 is a critical-severity vulnerability in Anjlab Paranoid2 with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-829.

Key facts

Description

The paranoid2 gem 1.1.6 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. The current version, without this backdoor, is 1.1.5.

Frequently asked questions

What is CVE-2019-13589?
The paranoid2 gem 1.1.6 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. The current version, without this backdoor, is 1.1.5.
How severe is CVE-2019-13589?
CVE-2019-13589 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-13589 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-13589?
CVE-2019-13589 affects Anjlab Paranoid2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-13589?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-13589 published?
CVE-2019-13589 was published on 2019-07-14 and last updated on 2026-06-17.

References

Affected products (1)

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