CVE-2001-0156

CVE-2001-0156 is a low-severity vulnerability in Van Dyke Technologies Vshell with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

VShell SSH gateway 1.0.1 and earlier has a default port forwarding rule of 0.0.0.0/0.0.0.0, which could allow local users to conduct arbitrary port forwarding to other systems.

Frequently asked questions

What is CVE-2001-0156?
VShell SSH gateway 1.0.1 and earlier has a default port forwarding rule of 0.0.0.0/0.0.0.0, which could allow local users to conduct arbitrary port forwarding to other systems.
How severe is CVE-2001-0156?
CVE-2001-0156 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2001-0156 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0156?
CVE-2001-0156 affects Van Dyke Technologies Vshell. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0156?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-0156 published?
CVE-2001-0156 was published on 2001-06-02 and last updated on 2026-06-16.

References

Affected products (1)

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