SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2001-1382

The "echo simulation" traffic analysis countermeasure in OpenSSH before 2.9.9p2 sends an additional echo packet after the password and carriage return is entered, which could allow remote attackers to determine that the countermeasure is being used.

MEDIUM 5.0EPSS 7.82%

Does this matter?

Lower severity and a low EPSS score (7.82%). Track it; it rarely justifies an emergency change on its own.

Description

The "echo simulation" traffic analysis countermeasure in OpenSSH before 2.9.9p2 sends an additional echo packet after the password and carriage return is entered, which could allow remote attackers to determine that the countermeasure is being used.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS
7.82% probability · 94th percentile
CISA KEV
Not listed
Affected
openbsd/openssh
Source
cve@mitre.org

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