CVE-2002-0460: Bitvise WinSSHD before 2002-03-16 allows remote attackers to cause a denial of service (resource exhaustion) v

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MEDIUM 5.0DOWNGRADE

CVE-2002-0460 is a medium-severity flaw (CVSS 5.0) affecting winsshd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Bitvise WinSSHD before 2002-03-16 allows remote attackers to cause a denial of service (resource exhaustion) via a large number of incomplete connections that are not properly terminated, which are not properly freed by SSHd.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Published	2002-08-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: bitvise

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

Am I affected?

Timeline

2002-08-12 04:00 UTCPublished CVE record published
2026-06-16 21:57 UTCUpdated Record last modified

bitvise winsshd DOWNGRADE

Affected: 1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1

1. Check installed version

apt-cache policy winsshd || rpm -q winsshd || winsshd --version

2. No fixed release: DOWNGRADE to a release before 1.1 (Debian / Ubuntu)

apt-cache madison winsshd sudo apt install winsshd=<VERSION_BEFORE_1.1> sudo apt-mark hold winsshd

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

dnf --showduplicates list winsshd sudo dnf downgrade winsshd-<VERSION_BEFORE_1.1> sudo dnf versionlock add winsshd

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-2002-0460?

winsshd: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2002-0460 being exploited?

CVE-2002-0460 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-2002-0460 affect?

CVE-2002-0460 affects winsshd. Severity is medium (CVSS 5.0). Bitvise WinSSHD before 2002-03-16 allows remote attackers to cause a denial of service (resource exhaustion) via a large number of incomplete connections that are not properly terminated, which are not properly freed by SSHd.

How urgent is CVE-2002-0460?

Priority 44/100. Public exploit reference

References

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