CVE-2005-2770: WRQ Reflection for Secure IT Windows Server 6.0 (formerly known as F-Secure SSH server) does not properly hand

This month

HIGH 7.5DOWNGRADE

CVE-2005-2770 is a high-severity flaw (CVSS 7.5) affecting wrq reflection for secure it windows server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

WRQ Reflection for Secure IT Windows Server 6.0 (formerly known as F-Secure SSH server) does not properly handle when the Windows Administrator or Guest accounts are renamed after SSH key authentication has been configured, which allows remote attackers to use the original names during login.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	3.3% (top 11%)
CISA exploited list	No
Published	2005-09-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: wrq

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2005-09-02 23:03 UTCPublished CVE record published
2026-06-16 22:15 UTCUpdated Record last modified

wrq wrq reflection for secure it windows server DOWNGRADE

Affected: 6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

1. Check installed version

apt-cache policy wrq-reflection-for-secure-it-windows-server || rpm -q wrq-reflection-for-secure-it-windows-server || wrq-reflection-for-secure-it-windows-server --version

2. No fixed release: DOWNGRADE to a release before 6.0 (Debian / Ubuntu)

apt-cache madison wrq-reflection-for-secure-it-windows-server sudo apt install wrq-reflection-for-secure-it-windows-server=<VERSION_BEFORE_6.0> sudo apt-mark hold wrq-reflection-for-secure-it-windows-server

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list wrq-reflection-for-secure-it-windows-server sudo dnf downgrade wrq-reflection-for-secure-it-windows-server-<VERSION_BEFORE_6.0> sudo dnf versionlock add wrq-reflection-for-secure-it-windows-server

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2005-2770?

wrq reflection for secure it windows server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-2770 being exploited?

CVE-2005-2770 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2005-2770 affect?

CVE-2005-2770 affects wrq reflection for secure it windows server. Severity is high (CVSS 7.5). WRQ Reflection for Secure IT Windows Server 6.0 (formerly known as F-Secure SSH server) does not properly handle when the Windows Administrator or Guest accounts are renamed after SSH key authentication has been configured, which allows rem

How urgent is CVE-2005-2770?

Priority 48/100. High severity

Software pages

Windows vulnerabilities · Windows Server vulnerabilities

Related CVEs

CVE-2005-2771 HIGH 10.0 DOWNGRADE DOWNGRADE WRQ Reflection for Secure IT Windows Server 6.0 (formerly known as F-Secure SSH server) processes access and d

References

← Back to latest CVEs