CVE-2002-1646

SSH Secure Shell for Servers 3.0.0 to 3.1.1 allows remote attackers to override the AllowedAuthentications configuration and use less secure authentication schemes (e.g. password) than configured for the server.

Published: 2002-12-31 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2002-1646 is rated Moderate Risk (62.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.64%). Core evidence: EPSS rose +2.01% over the last day, indicating growing attacker interest. Mandatory action: 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-2002-1646

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 1.64% 3.64% +2.01%
2 2026-02-20 1.98% 1.64% -0.34%
3 2025-03-30 1.98%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-1646

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P 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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2002-1646

Affected software / configurations for CVE-2002-1646

Vendor Product Version Raw CPE
ssh secure_shell_for_servers 3.0 cpe:2.3:a:ssh:secure_shell_for_servers:3.0:*:*:*:*:*:*:*
ssh secure_shell_for_servers 3.0.1 cpe:2.3:a:ssh:secure_shell_for_servers:3.0.1:*:*:*:*:*:*:*
ssh secure_shell_for_servers 3.1 cpe:2.3:a:ssh:secure_shell_for_servers:3.1:*:*:*:*:*:*:*
ssh secure_shell_for_servers 3.1.1 cpe:2.3:a:ssh:secure_shell_for_servers:3.1.1:*:*:*:*:*:*:*

References for CVE-2002-1646

cvelogic Threat Intelligence