How severe is CVE-2005-2797?

CVE-2005-2797 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2005-2797 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-2005-2797?

CVE-2005-2797 affects Openbsd Openssh. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2005-2797?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2005-2797 published?

CVE-2005-2797 was published on 2005-09-06 and last updated on 2026-06-16.

CVE-2005-2797

CVE-2005-2797 is a medium-severity vulnerability in Openbsd Openssh with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Openbsd Openssh
Published: 2005-09-06
Last modified: 2026-06-16

Description

OpenSSH 4.0, and other versions before 4.2, does not properly handle dynamic port forwarding ("-D" option) when a listen address is not provided, which may cause OpenSSH to enable the GatewayPorts functionality.

Frequently asked questions

What is CVE-2005-2797?: OpenSSH 4.0, and other versions before 4.2, does not properly handle dynamic port forwarding ("-D" option) when a listen address is not provided, which may cause OpenSSH to enable the GatewayPorts functionality.
How severe is CVE-2005-2797?: CVE-2005-2797 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2005-2797 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-2005-2797?: CVE-2005-2797 affects Openbsd Openssh. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-2797?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-2797 published?: CVE-2005-2797 was published on 2005-09-06 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:openbsd:openssh:4.0:*:*:*:*:*:*:*

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