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CVE-2001-1585

18
FAUCET Score

CVE-2001-1585 describes a critical authentication bypass vulnerability in specific development snapshots of OpenSSH 2.3.1. This flaw allowed remote attackers to bypass authentication by supplying a public key from a target user's authorized_keys file, as the SSH-2 public key authentication mechanism failed to perform a necessary challenge-response step. The vulnerability carries a CVSS score of 6.8 (Medium), indicating a network-based attack with medium complexity, potentially leading to partial confidentiality, integrity, and availability compromise. It specifically impacts OpenBSD OpenSSH versions released between January 18 and February 8, 2001. Despite its severity, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are also minimal, suggesting it has not garnered significant attention.

Impacted Technologies

VendorProductVersion(s)CPE
2.3.1CPE matchmatch criteria
cpe:2.3:a:openbsd:openssh:2.3.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.92%
Probability of exploitation in next 30 days
EPSS Percentile
77.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0192 is in the 61st percentile among its peer group of 19,953 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

archives.neohapsis.com / archives/bugtraq/2001-02/0159.html
online.securityfocus.com / bid/2356
Patch
exchange.xforce.ibmcloud.com / vulnerabilities/6084
openbsd.org / advisories/ssh_bypass.txt
Patch