How severe is CVE-2020-8149?

CVE-2020-8149 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-2020-8149 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-2020-8149?

CVE-2020-8149 affects Logkitty Project Logkitty. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8149?

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-2020-8149 published?

CVE-2020-8149 was published on 2020-05-15 and last updated on 2026-06-17.

CVE-2020-8149

CVE-2020-8149 is a critical-severity vulnerability in Logkitty Project Logkitty 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: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Logkitty Project Logkitty
Published: 2020-05-15
Last modified: 2026-06-17

Description

Lack of output sanitization allowed an attack to execute arbitrary shell commands via the logkitty npm package before version 0.7.1.

Frequently asked questions

What is CVE-2020-8149?: Lack of output sanitization allowed an attack to execute arbitrary shell commands via the logkitty npm package before version 0.7.1.
How severe is CVE-2020-8149?: CVE-2020-8149 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-2020-8149 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-2020-8149?: CVE-2020-8149 affects Logkitty Project Logkitty. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8149?: 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-2020-8149 published?: CVE-2020-8149 was published on 2020-05-15 and last updated on 2026-06-17.

References

https://hackerone.com/reports/825729

Affected products (1)

cpe:2.3:a:logkitty_project:logkitty:*:*:*:*:*:*:*:*

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