Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2001-1507

20
FAUCET Score

CVE-2001-1507 describes a critical authentication bypass vulnerability in OpenSSH versions prior to 3.0.1 when Kerberos V is enabled, primarily affecting OpenBSD and OpenSSH products. This flaw allows remote attackers to log in without proper authentication, leading to complete compromise of confidentiality, integrity, and availability. Rated with a CVSS score of 7.5 (HIGH), it presents a low-complexity network attack vector with no authentication required. Despite its severity, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:a:openbsd:openssh:3.0:*:*:*:*:*:*:*
3.0p1CPE matchmatch criteria
cpe:2.3:a:openbsd:openssh:3.0p1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.24%
Probability of exploitation in next 30 days
EPSS Percentile
81.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0224 is in the 66th percentile among its peer group of 51,506 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, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2001-1507

CVE-2001-1507

References

msgs.securepoint.com / cgi-bin/get/bugtraq0111/114.html
PatchVendor Advisory
iss.net / security_center/static/7598.php
Patch
openbsd.org / errata30.html
Patch
securityfocus.com / bid/3560