Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2000-0380


The IOS HTTP service in Cisco routers and switches running IOS 11.1 through 12.1 allows remote attackers to cause a denial of service by requesting a URL that contains a %% string.


Security Impact Summary

CVE-2000-0380 is a security vulnerability that . Impacting 1 product from cisco organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2000, 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

2000-04-26T04:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.1 (HIGH)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

8.6

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-20

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios 11.1 Yes
Operating System cisco ios 11.2 Yes
Operating System cisco ios 11.2\(4\)f1 Yes
Operating System cisco ios 11.2\(8\) Yes
Operating System cisco ios 11.2\(8\)p Yes
Operating System cisco ios 11.2\(9\)p Yes
Operating System cisco ios 11.2\(9\)xa Yes
Operating System cisco ios 11.2\(10\) Yes
Operating System cisco ios 11.2\(10\)bc Yes
Operating System cisco ios 11.2\(17\) Yes
Operating System cisco ios 11.2p Yes
Operating System cisco ios 11.3 Yes
Operating System cisco ios 11.3\(1\) Yes
Operating System cisco ios 11.3\(1\)ed Yes
Operating System cisco ios 11.3\(1\)t Yes
Operating System cisco ios 11.3t Yes
Operating System cisco ios 12.0 Yes
Operating System cisco ios 12.0\(1\)w Yes
Operating System cisco ios 12.0\(1\)xa3 Yes
Operating System cisco ios 12.0\(1\)xb Yes
Operating System cisco ios 12.0\(1\)xe Yes
Operating System cisco ios 12.0\(2\) Yes
Operating System cisco ios 12.0\(2\)xc Yes
Operating System cisco ios 12.0\(2\)xd Yes
Operating System cisco ios 12.0\(2\)xf Yes
Operating System cisco ios 12.0\(2\)xg Yes
Operating System cisco ios 12.0\(3\)t2 Yes
Operating System cisco ios 12.0\(4\) Yes
Operating System cisco ios 12.0\(4\)s Yes
Operating System cisco ios 12.0\(4\)t Yes
Operating System cisco ios 12.0\(5\) Yes
Operating System cisco ios 12.0\(5\)t1 Yes
Operating System cisco ios 12.0\(6\) Yes
Operating System cisco ios 12.0\(7\)t Yes
Operating System cisco ios 12.0\(8\) Yes
Operating System cisco ios 12.0\(9\)s Yes
Operating System cisco ios 12.0db Yes
Operating System cisco ios 12.0s Yes
Operating System cisco ios 12.0t 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 cisco'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.