VULNERABILITY INTELLIGENCE

CVE-2001-1470

CVSS score5 MEDIUM
EPSS probability1.15%
CISA KEVNot currently listed
Published2001-01-18
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:P/A:N

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.

Primary references