How severe is CVE-2013-6012?

CVE-2013-6012 has a CVSS 2.0 base score of 8.5, rated high severity.

Is CVE-2013-6012 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-2013-6012?

CVE-2013-6012 primarily affects Juniper Junos. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6012?

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-2013-6012 published?

CVE-2013-6012 was published on 2013-10-28 and last updated on 2026-06-16.

CVE-2013-6012

CVE-2013-6012 is a high-severity vulnerability in Juniper Junos with a CVSS 2.0 base score of 8.5. 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-287.

Key facts

Severity: High (CVSS 2.0 base score 8.5)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Juniper Junos
Published: 2013-10-28
Last modified: 2026-06-16

Description

Juniper Junos 12.1X44 before 12.1.X44-D20 and 12.1X45 before 12.1X45-D15, when the no-validate option is enabled, does not properly handle configuration validation errors during the config commit phase of the boot-up sequence, which allows remote attackers to bypass authentication via unspecified vectors.

Frequently asked questions

What is CVE-2013-6012?: Juniper Junos 12.1X44 before 12.1.X44-D20 and 12.1X45 before 12.1X45-D15, when the no-validate option is enabled, does not properly handle configuration validation errors during the config commit phase of the boot-up sequence, which allows remote attackers to bypass authentication via unspecified vectors.
How severe is CVE-2013-6012?: CVE-2013-6012 has a CVSS 2.0 base score of 8.5, rated high severity.
Is CVE-2013-6012 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-2013-6012?: CVE-2013-6012 primarily affects Juniper Junos. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6012?: 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-2013-6012 published?: CVE-2013-6012 was published on 2013-10-28 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:o:juniper:junos:12.1x44:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:12.1x45:*:*:*:*:*:*:*

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