How severe is CVE-2019-12046?

CVE-2019-12046 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-2019-12046 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12046?

CVE-2019-12046 primarily affects Lemonldap-ng Lemonldap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-12046?

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-2019-12046 published?

CVE-2019-12046 was published on 2019-05-22 and last updated on 2026-06-17.

CVE-2019-12046

CVE-2019-12046 is a critical-severity vulnerability in Lemonldap-ng Lemonldap 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-522.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-522
Affected product: Lemonldap-ng Lemonldap
Published: 2019-05-22
Last modified: 2026-06-17

Description

LemonLDAP::NG -2.0.3 has Incorrect Access Control.

Frequently asked questions

What is CVE-2019-12046?: LemonLDAP::NG -2.0.3 has Incorrect Access Control.
How severe is CVE-2019-12046?: CVE-2019-12046 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-2019-12046 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12046?: CVE-2019-12046 primarily affects Lemonldap-ng Lemonldap. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-12046?: 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-2019-12046 published?: CVE-2019-12046 was published on 2019-05-22 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:2.0.3:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

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