CVE-2001-0471

Exp

SSH daemon version 1 (aka SSHD-1 or SSH-1) 1.2.30 and earlier does not log repeated login attempts, which could allow remote attackers to compromise accounts without detection via a brute force attack.

Published: 2001-06-27 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

NVD Status：Modified，CVE State: published

View at NVD, CVE.org, EUVD

Conclusion & alert: CVE-2001-0471 is rated High Exploit Risk (79.8/100): CVSS High severity, with high exploitation likelihood (EPSS 5.57%, 92th percentile). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.63% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2001-0471

EDB-ID	Source	Kind	Published	Link
20615	exploit_db	edb	2001-02-05	Exploit-DB ↗
—	nvd_ref	exploit_tag		Exploit-DB ↗
—	nvd_ref	exploit_tag		Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2001-0471

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	2.94%	5.57%	+2.63%
2	2025-03-30	6.17%	2.94%	-3.23%
3	2025-03-29	—	6.17%	—

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0471

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-2001-0471

Affected software / configurations for CVE-2001-0471

Vendor	Product	Version	Raw CPE
ssh	ssh	<= 1.2.30	cpe:2.3:a:ssh:ssh::::::::

References for CVE-2001-0471

URL	Tags
http://www.securityfocus.com/archive/1/160648	Exploit Patch Vendor Advisory
http://www.securityfocus.com/bid/2345	Exploit Patch Vendor Advisory

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