How severe is CVE-2012-6426?

CVE-2012-6426 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2012-6426 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-6426?

CVE-2012-6426 primarily affects Lemonldap-ng Lemonldap. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-6426?

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-2012-6426 published?

CVE-2012-6426 was published on 2013-01-01 and last updated on 2026-06-16.

CVE-2012-6426

CVE-2012-6426 is a high-severity vulnerability in Lemonldap-ng Lemonldap with a CVSS 2.0 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-264.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Lemonldap-ng Lemonldap
Published: 2013-01-01
Last modified: 2026-06-16

Description

LemonLDAP::NG before 1.2.3 does not use the signature-verification capability of the Lasso library, which allows remote attackers to bypass intended access-control restrictions via crafted SAML data.

Frequently asked questions

What is CVE-2012-6426?: LemonLDAP::NG before 1.2.3 does not use the signature-verification capability of the Lasso library, which allows remote attackers to bypass intended access-control restrictions via crafted SAML data.
How severe is CVE-2012-6426?: CVE-2012-6426 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2012-6426 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-6426?: CVE-2012-6426 primarily affects Lemonldap-ng Lemonldap. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-6426?: 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-2012-6426 published?: CVE-2012-6426 was published on 2013-01-01 and last updated on 2026-06-16.

References

Affected products (26)

cpe:2.3:a:lemonldap-ng:lemonldap\:\::0.6:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\::0.7:beta:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\::0.8:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\::0.9:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\::1.0:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\::1.0:rc1:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\::1.0:rc2:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:*:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:0.8.1:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:0.8.2:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:0.8.3:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:0.9.1:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:0.9.2:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:0.9.3:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:0.9.4:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:1.0.4:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:1.0.6:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:1.1.2:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:1.2.1:*:*:*:*:*:*:*

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