How severe is CVE-2019-12998?

CVE-2019-12998 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-2019-12998 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12998?

CVE-2019-12998 affects Elementsproject C-lightning. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-12998?

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-2019-12998 published?

CVE-2019-12998 was published on 2020-01-31 and last updated on 2026-06-17.

CVE-2019-12998

CVE-2019-12998 is a high-severity vulnerability in Elementsproject C-lightning 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.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Elementsproject C-lightning
Published: 2020-01-31
Last modified: 2026-06-17

Description

c-lightning before 0.7.1 allows attackers to trigger loss of funds because of Incorrect Access Control. NOTE: README.md states "It can be used for testing, but it should not be used for real funds."

Frequently asked questions

What is CVE-2019-12998?: c-lightning before 0.7.1 allows attackers to trigger loss of funds because of Incorrect Access Control. NOTE: README.md states "It can be used for testing, but it should not be used for real funds."
How severe is CVE-2019-12998?: CVE-2019-12998 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-2019-12998 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12998?: CVE-2019-12998 affects Elementsproject C-lightning. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-12998?: 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-2019-12998 published?: CVE-2019-12998 was published on 2020-01-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:elementsproject:c-lightning:*:*:*:*:*:*:*:*

More vulnerabilities in Elementsproject C-lightning

CVE-2021-41592 — Critical (CVSS 9.4): Blockstream c-lightning through 0.10.1 allows loss of funds because of dust HTLC exposure.

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