How severe is CVE-2022-21186?

CVE-2022-21186 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-2022-21186 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 25% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-21186?

CVE-2022-21186 affects Acrontum Filesystem-template. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-21186?

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-2022-21186 published?

CVE-2022-21186 was published on 2022-08-05 and last updated on 2026-06-17.

CVE-2022-21186

CVE-2022-21186 is a critical-severity vulnerability in Acrontum Filesystem-template with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 25% places it in the 98th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 25% (98th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Acrontum Filesystem-template
Published: 2022-08-05
Last modified: 2026-06-17

Description

The package @acrontum/filesystem-template before 0.0.2 are vulnerable to Arbitrary Command Injection due to the fetchRepo API missing sanitization of the href field of external input.

Frequently asked questions

What is CVE-2022-21186?: The package @acrontum/filesystem-template before 0.0.2 are vulnerable to Arbitrary Command Injection due to the fetchRepo API missing sanitization of the href field of external input.
How severe is CVE-2022-21186?: CVE-2022-21186 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-2022-21186 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 25% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-21186?: CVE-2022-21186 affects Acrontum Filesystem-template. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-21186?: 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-2022-21186 published?: CVE-2022-21186 was published on 2022-08-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:acrontum:filesystem-template:*:*:*:*:*:node.js:*:*