How severe is CVE-2001-1474?

CVE-2001-1474 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-1474 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1474?

CVE-2001-1474 primarily affects Ssh. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-1474?

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

When was CVE-2001-1474 published?

CVE-2001-1474 was published on 2001-01-18 and last updated on 2026-06-16.

CVE-2001-1474

CVE-2001-1474 is a medium-severity vulnerability in Ssh 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: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ssh
Published: 2001-01-18
Last modified: 2026-06-16

Description

SSH before 2.0 disables host key checking when connecting to the localhost, which allows remote attackers to silently redirect connections to the localhost by poisoning the client's DNS cache.

Frequently asked questions

What is CVE-2001-1474?: SSH before 2.0 disables host key checking when connecting to the localhost, which allows remote attackers to silently redirect connections to the localhost by poisoning the client's DNS cache.
How severe is CVE-2001-1474?: CVE-2001-1474 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-1474 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1474?: CVE-2001-1474 primarily affects Ssh. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-1474?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-1474 published?: CVE-2001-1474 was published on 2001-01-18 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:a:ssh:ssh:1.2.24:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh:1.2.25:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh:1.2.26:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh:1.2.27:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh:1.2.28:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh:1.2.29:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh:1.2.30:*:*:*:*:*:*:*
cpe:2.3:a:ssh:ssh:1.2.31:*:*:*:*:*:*:*

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