CVE-2006-0705: Format string vulnerability in a logging function as used by various SFTP servers, including (1) AttachmateWRQ

This week

MEDIUM 6.5DOWNGRADEDOWNGRADE

CVE-2006-0705 is a medium-severity flaw (CVSS 6.5) affecting reflection for secure it server, f-secure ssh server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Format string vulnerability in a logging function as used by various SFTP servers, including (1) AttachmateWRQ Reflection for Secure IT UNIX Server before 6.0.0.9, (2) Reflection for Secure IT Windows Server before 6.0 build 38, (3) F-Secure SSH Server for Windows before 5.3 build 35, (4) F-Secure SSH Server for UNIX 3.0 through 5.0.8, (5) SSH Tectia Server 4.3.6 and earlier and 4.4.0, and (6) SSH Shell Server 3.2.9 and earlier, allows remote aut

Why this priority

EPSS top 4%: very likely to be exploited

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

Risk facts

CVSS score	6.5 (Medium)
EPSS exploit chance	10.2% (top 4%)
CISA exploited list	No
Weakness	CWE-134
Published	2006-02-15
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: attachmatewrq · f-secure

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

Am I affected?

Timeline

2006-02-15 11:06 UTCPublished CVE record published
2026-06-16 22:21 UTCUpdated Record last modified

attachmatewrq reflection for secure it 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 reflection-for-secure-it-server || rpm -q reflection-for-secure-it-server || reflection-for-secure-it-server --version

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

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

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

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

f-secure f-secure ssh server DOWNGRADE

Affected: 3.0.0 · 3.0.1 · 3.0.2 · 3.0.3 · 3.0.4 · 3.0.5 · 3.0.6 · 3.0.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.0

1. Check installed version

apt-cache policy f-secure-ssh-server || rpm -q f-secure-ssh-server || f-secure-ssh-server --version

2. No fixed release: DOWNGRADE to a release before 3.0.0 (Debian / Ubuntu)

apt-cache madison f-secure-ssh-server sudo apt install f-secure-ssh-server=<VERSION_BEFORE_3.0.0> sudo apt-mark hold f-secure-ssh-server

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

dnf --showduplicates list f-secure-ssh-server sudo dnf downgrade f-secure-ssh-server-<VERSION_BEFORE_3.0.0> sudo dnf versionlock add f-secure-ssh-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-2006-0705?

reflection for secure it server: downgrade or apply the listed mitigation; f-secure ssh server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-0705 being exploited?

CVE-2006-0705 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-2006-0705 affect?

CVE-2006-0705 affects reflection for secure it server, f-secure ssh server. Severity is medium (CVSS 6.5). Format string vulnerability in a logging function as used by various SFTP servers, including (1) AttachmateWRQ Reflection for Secure IT UNIX Server before 6.0.0.9, (2) Reflection for Secure IT Windows Server before 6.0 build 38, (3) F-Secur

How urgent is CVE-2006-0705?

Priority 47/100. EPSS top 4%: very likely to be exploited

Software pages

Windows vulnerabilities · Windows Server vulnerabilities

References

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