How severe is CVE-2018-18838?

CVE-2018-18838 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-18838 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18838?

CVE-2018-18838 affects My-netdata Netdata. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18838?

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-2018-18838 published?

CVE-2018-18838 was published on 2019-06-18 and last updated on 2026-06-17.

CVE-2018-18838

CVE-2018-18838 is a high-severity vulnerability in My-netdata Netdata with a CVSS 3.x base score of 7.5. 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-116.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-116
Affected product: My-netdata Netdata
Published: 2019-06-18
Last modified: 2026-06-17

Description

An issue was discovered in Netdata 1.10.0. Log Injection (or Log Forgery) exists via a %0a sequence in the url parameter to api/v1/registry.

Frequently asked questions

What is CVE-2018-18838?: An issue was discovered in Netdata 1.10.0. Log Injection (or Log Forgery) exists via a %0a sequence in the url parameter to api/v1/registry.
How severe is CVE-2018-18838?: CVE-2018-18838 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-18838 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18838?: CVE-2018-18838 affects My-netdata Netdata. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18838?: 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-2018-18838 published?: CVE-2018-18838 was published on 2019-06-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:my-netdata:netdata:1.10.0:*:*:*:*:*:*:*

More vulnerabilities in My-netdata Netdata

CVE-2018-18836 — Medium (CVSS 6.5): An issue was discovered in Netdata 1.10.0. JSON injection exists via the api/v1/data tqx parameter because of…
CVE-2018-18837 — Medium (CVSS 6.1): An issue was discovered in Netdata 1.10.0. HTTP Header Injection exists via the api/v1/data filename parameter because…
CVE-2018-18839 — Medium (CVSS 5.3): An issue was discovered in Netdata 1.10.0. Full Path Disclosure (FPD) exists via api/v1/alarms. NOTE: the vendor says…

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