How severe is CVE-2023-27849?

CVE-2023-27849 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-2023-27849 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27849?

CVE-2023-27849 affects Rails-routes-to-json Project Rails-routes-to-json. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27849?

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-2023-27849 published?

CVE-2023-27849 was published on 2023-04-24 and last updated on 2026-06-17.

CVE-2023-27849

CVE-2023-27849 is a critical-severity vulnerability in Rails-routes-to-json Project Rails-routes-to-json 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Rails-routes-to-json Project Rails-routes-to-json
Published: 2023-04-24
Last modified: 2026-06-17

Description

rails-routes-to-json v1.0.0 was discovered to contain a remote code execution (RCE) vulnerability via the child_process function.

Frequently asked questions

What is CVE-2023-27849?: rails-routes-to-json v1.0.0 was discovered to contain a remote code execution (RCE) vulnerability via the child_process function.
How severe is CVE-2023-27849?: CVE-2023-27849 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-2023-27849 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27849?: CVE-2023-27849 affects Rails-routes-to-json Project Rails-routes-to-json. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27849?: 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-2023-27849 published?: CVE-2023-27849 was published on 2023-04-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rails-routes-to-json_project:rails-routes-to-json:1.0.0:*:*:*:*:node.js:*:*

Other CWE-77 (Command Injection) vulnerabilities

CVE-2026-23652 — Critical (CVSS 10.0): Improper neutralization of special elements used in a command ('command injection') in Microsoft Power Pages allows an…
CVE-2025-59818 — Critical (CVSS 10.0): This vulnerability allows authenticated attackers to execute arbitrary commands on the underlying system using the file…
CVE-2025-64093 — Critical (CVSS 10.0): Remote Code Execution vulnerability that allows unauthenticated attackers to inject arbitrary commands into the…
CVE-2025-64090 — Critical (CVSS 10.0): This vulnerability allows authenticated attackers to execute commands via the hostname of the device.
CVE-2025-61492 — Critical (CVSS 10.0): A command injection vulnerability in the execute_command function of terminal-controller-mcp 0.1.7 allows attackers to…
CVE-2025-10035 — Critical (CVSS 10.0): A deserialization vulnerability in the License Servlet of Fortra's GoAnywhere MFT allows an actor with a validly forged…

Browse all CWE-77 (Command Injection) vulnerabilities →