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.

Published: 2001-01-18 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2001-1470 is rated Moderate Risk (42.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.15%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2001-1470

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.98% 1.15% +0.17%
2 2025-12-26 0.52% 0.98% +0.46%
3 2025-03-17 — 0.52% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-1470

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2001-1470

Affected software / configurations for CVE-2001-1470

Vendor Product Version Raw CPE
ssh ssh 1.2.24 cpe:2.3:a:ssh:ssh:1.2.24:*:*:*:*:*:*:*
ssh ssh 1.2.25 cpe:2.3:a:ssh:ssh:1.2.25:*:*:*:*:*:*:*
ssh ssh 1.2.26 cpe:2.3:a:ssh:ssh:1.2.26:*:*:*:*:*:*:*
ssh ssh 1.2.27 cpe:2.3:a:ssh:ssh:1.2.27:*:*:*:*:*:*:*
ssh ssh 1.2.28 cpe:2.3:a:ssh:ssh:1.2.28:*:*:*:*:*:*:*
ssh ssh 1.2.29 cpe:2.3:a:ssh:ssh:1.2.29:*:*:*:*:*:*:*
ssh ssh 1.2.30 cpe:2.3:a:ssh:ssh:1.2.30:*:*:*:*:*:*:*
ssh ssh 1.2.31 cpe:2.3:a:ssh:ssh:1.2.31:*:*:*:*:*:*:*

References for CVE-2001-1470

cvelogic Threat Intelligence