SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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…

MEDIUM 5.0EPSS 1.15%

Does this matter?

Lower severity and a low EPSS score (1.15%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
EPSS
1.15% probability · 65th percentile
CISA KEV
Not listed
Affected
ssh/ssh
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.