How severe is CVE-2012-4577?

CVE-2012-4577 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2012-4577 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4577?

CVE-2012-4577 primarily affects Korenix Jetport. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-4577?

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-2012-4577 published?

CVE-2012-4577 was published on 2012-08-21 and last updated on 2026-06-16.

CVE-2012-4577

CVE-2012-4577 is a critical-severity vulnerability in Korenix Jetport with a CVSS 2.0 base score of 10.0. 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-255.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-255
Affected product: Korenix Jetport
Published: 2012-08-21
Last modified: 2026-06-16

Description

The Linux firmware image on (1) Korenix Jetport 5600 series serial-device servers and (2) ORing Industrial DIN-Rail serial-device servers has a hardcoded password of "password" for the root account, which allows remote attackers to obtain administrative access via an SSH session.

Frequently asked questions

What is CVE-2012-4577?: The Linux firmware image on (1) Korenix Jetport 5600 series serial-device servers and (2) ORing Industrial DIN-Rail serial-device servers has a hardcoded password of "password" for the root account, which allows remote attackers to obtain administrative access via an SSH session.
How severe is CVE-2012-4577?: CVE-2012-4577 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2012-4577 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4577?: CVE-2012-4577 primarily affects Korenix Jetport. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4577?: 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-2012-4577 published?: CVE-2012-4577 was published on 2012-08-21 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:h:korenix:jetport:5601:*:*:*:*:*:*:*
cpe:2.3:h:korenix:jetport:5601f:*:*:*:*:*:*:*
cpe:2.3:h:korenix:jetport:5604:*:*:*:*:*:*:*
cpe:2.3:h:korenix:jetport:5604i:*:*:*:*:*:*:*

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