How severe is CVE-2001-1470?

CVE-2001-1470 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2001-1470 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1470?

CVE-2001-1470 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-2001-1470?

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

When was CVE-2001-1470 published?

CVE-2001-1470 was published on 2001-01-18 and last updated on 2026-06-16.

CVE-2001-1470

CVE-2001-1470 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% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ssh
Published: 2001-01-18
Last modified: 2026-06-16

Description

The IDEA cipher as implemented by SSH1 does not protect the final block of a message against modification, which allows remote attackers to modify the block without detection by changing its cyclic redundancy check (CRC) to match the modifications to the message.

Frequently asked questions

What is CVE-2001-1470?: The IDEA cipher as implemented by SSH1 does not protect the final block of a message against modification, which allows remote attackers to modify the block without detection by changing its cyclic redundancy check (CRC) to match the modifications to the message.
How severe is CVE-2001-1470?: CVE-2001-1470 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2001-1470 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1470?: CVE-2001-1470 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-2001-1470?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-1470 published?: CVE-2001-1470 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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