How severe is CVE-2018-19165?

CVE-2018-19165 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 none, and availability high.

Is CVE-2018-19165 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19165?

CVE-2018-19165 affects Nebl Neblio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-19165?

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-2018-19165 published?

CVE-2018-19165 was published on 2019-11-05 and last updated on 2026-06-17.

CVE-2018-19165

CVE-2018-19165 is a high-severity vulnerability in Nebl Neblio 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-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Nebl Neblio
Published: 2019-11-05
Last modified: 2026-06-17

Description

neblio through 1.5.1 (a chain-based proof-of-stake cryptocurrency) allows a remote denial of service, exploitable by an attacker who acquires even a small amount of stake/coins in the system. The attacker sends invalid headers/blocks, which are stored on the victim's disk.

Frequently asked questions

What is CVE-2018-19165?: neblio through 1.5.1 (a chain-based proof-of-stake cryptocurrency) allows a remote denial of service, exploitable by an attacker who acquires even a small amount of stake/coins in the system. The attacker sends invalid headers/blocks, which are stored on the victim's disk.
How severe is CVE-2018-19165?: CVE-2018-19165 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 none, and availability high.
Is CVE-2018-19165 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19165?: CVE-2018-19165 affects Nebl Neblio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-19165?: 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-2018-19165 published?: CVE-2018-19165 was published on 2019-11-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nebl:neblio:*:*:*:*:*:*:*:*

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