How severe is CVE-2021-38834?

CVE-2021-38834 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-38834 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38834?

CVE-2021-38834 affects Easy-mock Project Easy Mock. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-38834?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-38834 published?

CVE-2021-38834 was published on 2022-04-05 and last updated on 2026-06-17.

CVE-2021-38834

CVE-2021-38834 is a high-severity vulnerability in Easy-mock Project Easy Mock with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Easy-mock Project Easy Mock
Published: 2022-04-05
Last modified: 2026-06-17

Description

easy-mock v1.5.0-v1.6.0 allows remote attackers to bypass the vm2 sandbox and execute arbitrary system commands through special js code.

Frequently asked questions

What is CVE-2021-38834?: easy-mock v1.5.0-v1.6.0 allows remote attackers to bypass the vm2 sandbox and execute arbitrary system commands through special js code.
How severe is CVE-2021-38834?: CVE-2021-38834 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-38834 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38834?: CVE-2021-38834 affects Easy-mock Project Easy Mock. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-38834?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-38834 published?: CVE-2021-38834 was published on 2022-04-05 and last updated on 2026-06-17.

References

https://www.exploit-db.com/exploits/50194

Affected products (1)

cpe:2.3:a:easy-mock_project:easy_mock:*:*:*:*:*:*:*:*