CVE-2005-2771

CVE-2005-2771 is a critical-severity vulnerability in F-secure F-secure Ssh Server 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.

Key facts

Description

WRQ Reflection for Secure IT Windows Server 6.0 (formerly known as F-Secure SSH server) processes access and deny lists in a case-sensitive manner, when previous versions were case-insensitive, which might allow remote attackers to bypass intended restrictions and login to accounts that should be denied.

Frequently asked questions

What is CVE-2005-2771?
WRQ Reflection for Secure IT Windows Server 6.0 (formerly known as F-Secure SSH server) processes access and deny lists in a case-sensitive manner, when previous versions were case-insensitive, which might allow remote attackers to bypass intended restrictions and login to accounts that should be denied.
How severe is CVE-2005-2771?
CVE-2005-2771 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2005-2771 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-2771?
CVE-2005-2771 primarily affects F-secure F-secure Ssh Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-2771?
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-2005-2771 published?
CVE-2005-2771 was published on 2005-09-02 and last updated on 2026-06-16.

References

Affected products (4)

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