CVE-2001-1377
5.0CVSSMEDIUM
Description
Multiple RADIUS implementations do not properly validate the Vendor-Length of the Vendor-Specific attribute, which allows remote attackers to cause a denial of service (crash) via a Vendor-Length that is less than 2.
CVSS Vector Breakdown
Exploitability
AV:NAccess VectorNetwork
AC:LAccess ComplexityLow
Au:NAuthenticationNone
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:PAvailabilityPartial
Weaknesses
Affected Products
and 7 more affected products View all →
Exploitability
Official Patch Available
References
http://www.redhat.com/support/errata/RHSA-2002-030.html
redhat.com
http://www.iss.net/security_center/static/8354.php
iss.net
http://www.kb.cert.org/vuls/id/936683
kb.cert.org
and 6 more references View all →
Timeline
Published
Jun 11, 2002
Last Updated
Apr 16, 2026
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2001-1377 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows