How severe is CVE-2018-3784?

CVE-2018-3784 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-2018-3784 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3784?

CVE-2018-3784 affects Cryo Project Cryo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-3784?

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-2018-3784 published?

CVE-2018-3784 was published on 2018-08-17 and last updated on 2026-06-17.

CVE-2018-3784

CVE-2018-3784 is a critical-severity vulnerability in Cryo Project Cryo 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Cryo Project Cryo
Published: 2018-08-17
Last modified: 2026-06-17

Description

A code injection in cryo 0.0.6 allows an attacker to arbitrarily execute code due to insecure implementation of deserialization.

Frequently asked questions

What is CVE-2018-3784?: A code injection in cryo 0.0.6 allows an attacker to arbitrarily execute code due to insecure implementation of deserialization.
How severe is CVE-2018-3784?: CVE-2018-3784 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-2018-3784 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3784?: CVE-2018-3784 affects Cryo Project Cryo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-3784?: 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-2018-3784 published?: CVE-2018-3784 was published on 2018-08-17 and last updated on 2026-06-17.

References

https://hackerone.com/reports/350418

Affected products (1)

cpe:2.3:o:cryo_project:cryo:0.0.6:*:*:*:*:node.js:*:*

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