Vulnerability Monitor

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CVE-2001-1377


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.


Security Impact Summary

CVE-2001-1377 is a security vulnerability that . Impacting 11 products from freeradius, from gnu, from icradius and 8 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2002, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.


Published

2002-03-04T05:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-Other

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application freeradius freeradius 0.2 Yes
Application freeradius freeradius 0.3 Yes
Application gnu radius 0.92.1 Yes
Application gnu radius 0.93 Yes
Application gnu radius 0.94 Yes
Application gnu radius 0.95 Yes
Application icradius icradius 0.14 Yes
Application icradius icradius 0.15 Yes
Application icradius icradius 0.16 Yes
Application icradius icradius 0.17 Yes
Application icradius icradius 0.17b Yes
Application icradius icradius 0.18 Yes
Application icradius icradius 0.18.1 Yes
Application livingston radius 2.0 Yes
Application livingston radius 2.0.1 Yes
Application livingston radius 2.1 Yes
Application lucent radius 2.0 Yes
Application lucent radius 2.0.1 Yes
Application lucent radius 2.1 Yes
Application miquel_van_smoorenburg_cistron radius 1.6.1 Yes
Application miquel_van_smoorenburg_cistron radius 1.6.2 Yes
Application miquel_van_smoorenburg_cistron radius 1.6.3 Yes
Application miquel_van_smoorenburg_cistron radius 1.6.4 Yes
Application miquel_van_smoorenburg_cistron radius 1.6.5 Yes
Application miquel_van_smoorenburg_cistron radius 1.6_.0 Yes
Application openradius openradius 0.8 Yes
Application openradius openradius 0.9 Yes
Application openradius openradius 0.9.1 Yes
Application openradius openradius 0.9.2 Yes
Application openradius openradius 0.9.3 Yes
Application radiusclient radiusclient 0.3.1 Yes
Application xtradius xtradius 1.1_pre1 Yes
Application xtradius xtradius 1.1_pre2 Yes
Application yard_radius yard_radius 1.0.17 Yes
Application yard_radius yard_radius 1.0.18 Yes
Application yard_radius yard_radius 1.0.19 Yes
Application yard_radius yard_radius 1.0_pre13 Yes
Application yard_radius yard_radius 1.0_pre14 Yes
Application yard_radius yard_radius 1.0_pre15 Yes
Application yard_radius_project yard_radius 1.0.16 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For freeradius's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.