CRITICAL
CVE-2012-4577
CWE-255Published: August 21, 2012· Updated: Jun 16, 2026
10.0
CVSS v3.1
Official 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.
Technical Analysis
CVE-2012-4577 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C
Affected Vendors & Products
korenix1 product(s)
jetport
Source: NVD CPE · 4 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
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NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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All References (10)
Quick Facts
CVE IDCVE-2012-4577
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessCWE-255
CISA KEVNo
Affected1 vendor(s)
PublishedAug 21, 2012
Related CVEs (CWE-255)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2012-4577 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.