Security readout for executives and security teams
VShell SSH Gateway 1.0.1 and earlier reportedly shipped with an overly broad default port-forwarding rule. A local user could abuse that trust to forward traffic to other systems through the SSH gateway. The source bundle has no CVSS score and does not show active exploitation. Exposure is most likely in legacy environments still running VanDyke VShell SSH Gateway 1.0.1 or earlier. Risk depends on whether local users can access the gateway and whether broad port forwarding remains enabled. Treat as a legacy exposure review rather than an emergency internet-wide issue. Prioritize if VShell is still present on shared systems or in sensitive network zones where port forwarding could bypass segmentation. Mitigation focus: Check VanDyke guidance for the supported fix or configuration change.; Inventory VShell SSH Gateway installations and identify versions 1.0.1 or earlier.; Review port-forwarding rules and remove broad 0.0.0.0/0.0.0.0 allowances..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CVE-2001-0156 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- vshell-port-forwarding-rule(6148)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.